diff --git a/.rubocop/default.yml b/.rubocop/default.yml
index 49e5cb767..9b5874d37 100644
--- a/.rubocop/default.yml
+++ b/.rubocop/default.yml
@@ -81,11 +81,6 @@ Style/RescueStandardError:
   Enabled: true
   EnforcedStyle: implicit
 
-Layout/LeadingCommentSpace:
-  Description: 'Comments should start with a space.'
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-space'
-  Enabled: false
-
 Layout/SpaceInsideReferenceBrackets:
   Description: 'Checks the spacing inside referential brackets.'
   Enabled: false
diff --git a/app/controllers/application_controller/authenticates.rb b/app/controllers/application_controller/authenticates.rb
index ce0b0b01b..277414b6e 100644
--- a/app/controllers/application_controller/authenticates.rb
+++ b/app/controllers/application_controller/authenticates.rb
@@ -43,10 +43,10 @@ module ApplicationController::Authenticates
   end
 
   def authentication_check_only(auth_param = {})
-    #logger.debug 'authentication_check'
-    #logger.debug params.inspect
-    #logger.debug session.inspect
-    #logger.debug cookies.inspect
+    # logger.debug 'authentication_check'
+    # logger.debug params.inspect
+    # logger.debug session.inspect
+    # logger.debug cookies.inspect
     authentication_errors = []
 
     # already logged in, early exit
diff --git a/app/controllers/application_controller/has_user.rb b/app/controllers/application_controller/has_user.rb
index 8299ea62e..2a880dc8f 100644
--- a/app/controllers/application_controller/has_user.rb
+++ b/app/controllers/application_controller/has_user.rb
@@ -88,7 +88,7 @@ module ApplicationController::HasUser
 
   # update session updated_at
   def session_update
-    #sleep 0.6
+    # sleep 0.6
 
     session[:ping] = Time.zone.now.iso8601
 
diff --git a/app/controllers/first_steps_controller.rb b/app/controllers/first_steps_controller.rb
index c83357587..94072efd5 100644
--- a/app/controllers/first_steps_controller.rb
+++ b/app/controllers/first_steps_controller.rb
@@ -7,13 +7,13 @@ class FirstStepsController < ApplicationController
 
   def index
     invite_agents = false
-    #if User.of_role('Agent').count > 2
+    # if User.of_role('Agent').count > 2
     #  invite_agents = true
-    #end
+    # end
     invite_customers = false
-    #if User.of_role('Customer').count > 2
+    # if User.of_role('Customer').count > 2
     #  invite_customers = true
-    #end
+    # end
 
     chat_active = false
     if Setting.get('chat')
@@ -98,11 +98,11 @@ class FirstStepsController < ApplicationController
               checked:  macro_active,
               location: '#manage/macros',
             },
-            #{
+            # {
             #  name: 'Create Overviews',
             #  checked: false,
             #  location: '#manage/overviews',
-            #},
+            # },
           ],
         },
         {
diff --git a/app/controllers/getting_started_controller.rb b/app/controllers/getting_started_controller.rb
index 4fdd67d70..e0a870ad2 100644
--- a/app/controllers/getting_started_controller.rb
+++ b/app/controllers/getting_started_controller.rb
@@ -211,7 +211,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
   end
 
   def setup_done
-    #return false
+    # return false
     count = User.all.count()
     done = true
     if count <= 2
diff --git a/app/controllers/long_polling_controller.rb b/app/controllers/long_polling_controller.rb
index 74af327c1..5aa4a5ab5 100644
--- a/app/controllers/long_polling_controller.rb
+++ b/app/controllers/long_polling_controller.rb
@@ -64,7 +64,7 @@ class LongPollingController < ApplicationController
       4.times do
         sleep 0.25
       end
-      #sleep 1
+      # sleep 1
       Sessions.touch(client_id) # rubocop:disable Rails/SkipsModelValidations
 
       # set max loop time to 24 sec. because of 30 sec. timeout of mod_proxy
@@ -83,7 +83,7 @@ class LongPollingController < ApplicationController
         8.times do
           sleep 0.25
         end
-        #sleep 2
+        # sleep 2
         if count.zero?
           render json: { event: 'pong' }
           return
diff --git a/app/jobs/application_job/has_delayed_job_monitoring_compatibilty.rb b/app/jobs/application_job/has_delayed_job_monitoring_compatibilty.rb
index 933daf3df..3872aa278 100644
--- a/app/jobs/application_job/has_delayed_job_monitoring_compatibilty.rb
+++ b/app/jobs/application_job/has_delayed_job_monitoring_compatibilty.rb
@@ -11,7 +11,7 @@ class ApplicationJob
       # until we resolve this dependency.
       after_enqueue do |job|
         # skip update of `attempts` attribute if job wasn't queued because of ActiveJobLock
-        #(another job with same lock key got queued before this job could be retried)
+        # (another job with same lock key got queued before this job could be retried)
         next if job.provider_job_id.blank?
 
         # update the column right away without loading Delayed::Job record
diff --git a/app/jobs/communicate_telegram_job.rb b/app/jobs/communicate_telegram_job.rb
index 81044ff07..5ecf5527b 100644
--- a/app/jobs/communicate_telegram_job.rb
+++ b/app/jobs/communicate_telegram_job.rb
@@ -24,7 +24,7 @@ class CommunicateTelegramJob < ApplicationJob
       channel = Channel.lookup(id: ticket.preferences['channel_id'])
     end
     log_error(article, "No such channel for bot #{ticket.preferences['bid']} or channel id #{ticket.preferences['channel_id']}") if !channel
-    #log_error(article, "Channel.find(#{channel.id}) isn't a telegram channel!") if channel.options[:adapter] !~ /\Atelegram/i
+    # log_error(article, "Channel.find(#{channel.id}) isn't a telegram channel!") if channel.options[:adapter] !~ /\Atelegram/i
     log_error(article, "Channel.find(#{channel.id}) has not telegram api token!") if channel.options[:api_token].blank?
 
     begin
diff --git a/app/models/calendar.rb b/app/models/calendar.rb
index c3ed16db0..24ef0497e 100644
--- a/app/models/calendar.rb
+++ b/app/models/calendar.rb
@@ -423,7 +423,7 @@ returns
       return
     end
 
-    #raise Exceptions::UnprocessableEntity, 'No configured business hours found!' if hours.blank?
+    # raise Exceptions::UnprocessableEntity, 'No configured business hours found!' if hours.blank?
 
     # validate if business hours are usable by execute a try calculation
     begin
diff --git a/app/models/channel.rb b/app/models/channel.rb
index 9beb070a2..add038196 100644
--- a/app/models/channel.rb
+++ b/app/models/channel.rb
@@ -174,7 +174,7 @@ stream all accounts
           end
         end
 
-        #logger.info "thread stream for channel (#{channel.id}) already running" if @@channel_stream[channel_id].present?
+        # logger.info "thread stream for channel (#{channel.id}) already running" if @@channel_stream[channel_id].present?
         next if @@channel_stream[channel_id].present?
 
         @@channel_stream[channel_id] = {
diff --git a/app/models/channel/driver/pop3.rb b/app/models/channel/driver/pop3.rb
index 37a2b4e18..469475f59 100644
--- a/app/models/channel/driver/pop3.rb
+++ b/app/models/channel/driver/pop3.rb
@@ -63,7 +63,7 @@ returns
     Rails.logger.info "fetching pop3 (#{options[:host]}/#{options[:user]} port=#{port},ssl=#{ssl})"
 
     @pop = ::Net::POP3.new(options[:host], port)
-    #@pop.set_debug_output $stderr
+    # @pop.set_debug_output $stderr
 
     # on check, reduce open_timeout to have faster probing
     @pop.open_timeout = 16
diff --git a/app/models/concerns/has_history.rb b/app/models/concerns/has_history.rb
index edf0d2851..512e2c0c7 100644
--- a/app/models/concerns/has_history.rb
+++ b/app/models/concerns/has_history.rb
@@ -47,7 +47,7 @@ log object update history with all updated attributes, if configured - will be e
       end
     end
     self.history_changes_last_done = changes
-    #logger.info 'updated ' + self.changes.inspect
+    # logger.info 'updated ' + self.changes.inspect
 
     return if changes['id'] && !changes['id'][0]
 
@@ -101,7 +101,7 @@ log object update history with all updated attributes, if configured - will be e
         id_from:           value_id[0],
         id_to:             value_id[1],
       }
-      #logger.info "HIST NEW #{self.class.to_s}.find(#{self.id}) #{data.inspect}"
+      # logger.info "HIST NEW #{self.class.to_s}.find(#{self.id}) #{data.inspect}"
       history_log('updated', updated_by_id, data)
     end
   end
diff --git a/app/models/setting.rb b/app/models/setting.rb
index 8b4c46efd..63981d60e 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -159,17 +159,17 @@ reload config settings
   # check if cache is still valid
   def self.cache_valid?
     if @@lookup_at && @@lookup_at > Time.now.to_i - @@lookup_timeout
-      #logger.debug "Setting.cache_valid?: cache_id has been set within last #{@@lookup_timeout} seconds"
+      # logger.debug "Setting.cache_valid?: cache_id has been set within last #{@@lookup_timeout} seconds"
       return true
     end
 
     change_id = Cache.read('Setting::ChangeId')
     if @@change_id && change_id == @@change_id
       @@lookup_at = Time.now.to_i # rubocop:disable Style/ClassVars
-      #logger.debug "Setting.cache_valid?: cache still valid, #{@@change_id}/#{change_id}"
+      # logger.debug "Setting.cache_valid?: cache still valid, #{@@change_id}/#{change_id}"
       return true
     end
-    #logger.debug "Setting.cache_valid?: cache has changed, #{@@change_id}/#{change_id}"
+    # logger.debug "Setting.cache_valid?: cache has changed, #{@@change_id}/#{change_id}"
     false
   end
   private_class_method :cache_valid?
diff --git a/app/models/text_module.rb b/app/models/text_module.rb
index d2bc7563a..2b20f79bc 100644
--- a/app/models/text_module.rb
+++ b/app/models/text_module.rb
@@ -72,7 +72,7 @@ push text_modules to online
   def self.push(locale)
 
     # only push changed text_modules
-    text_modules         = TextModule.all #where(locale: locale)
+    text_modules         = TextModule.all # where(locale: locale)
     text_modules_to_push = []
     text_modules.each do |text_module|
       next if !text_module.active
diff --git a/app/models/transaction/slack.rb b/app/models/transaction/slack.rb
index 1d22a95b3..a988e6c13 100644
--- a/app/models/transaction/slack.rb
+++ b/app/models/transaction/slack.rb
@@ -210,7 +210,7 @@ class Transaction::Slack
 
     # only show allowed attributes
     attribute_list = ObjectManager::Object.new('Ticket').attributes(user).index_by { |item| item[:name] }
-    #puts "AL #{attribute_list.inspect}"
+    # puts "AL #{attribute_list.inspect}"
     user_related_changes = {}
     @item[:changes].each do |key, value|
 
diff --git a/app/models/translation.rb b/app/models/translation.rb
index 62f0c206c..e5daad546 100644
--- a/app/models/translation.rb
+++ b/app/models/translation.rb
@@ -175,7 +175,7 @@ get list of translations
 
         presorted_list.push item
         list.delete item
-        #list.unshift presort
+        # list.unshift presort
       end
     end
     data['list'] = presorted_list.concat list
diff --git a/db/migrate/20120101000001_create_base.rb b/db/migrate/20120101000001_create_base.rb
index 6b6112929..bb88f51bf 100644
--- a/db/migrate/20120101000001_create_base.rb
+++ b/db/migrate/20120101000001_create_base.rb
@@ -53,7 +53,7 @@ class CreateBase < ActiveRecord::Migration[4.2]
     end
     add_index :users, [:login], unique: true
     add_index :users, [:email]
-    #add_index :users, [:email], unique: => true
+    # add_index :users, [:email], unique: => true
     add_index :users, [:organization_id]
     add_index :users, [:image]
     add_index :users, [:department]
diff --git a/db/seeds/settings.rb b/db/seeds/settings.rb
index 23f137a1d..6f3a6a26c 100644
--- a/db/seeds/settings.rb
+++ b/db/seeds/settings.rb
@@ -845,7 +845,7 @@ Setting.create_if_not_exists(
   description: 'Set notes for ticket create types by selecting type.',
   options:     {},
   state:       {
-    #'email-out' => 'Attention: When creating a ticket an e-mail is sent.',
+    # 'email-out' => 'Attention: When creating a ticket an e-mail is sent.',
   },
   preferences: {
     permission: ['admin.ui'],
diff --git a/lib/can_be_published/state_machine.rb b/lib/can_be_published/state_machine.rb
index 6ef5bfe3a..0a34a0d43 100644
--- a/lib/can_be_published/state_machine.rb
+++ b/lib/can_be_published/state_machine.rb
@@ -59,7 +59,7 @@ module CanBePublished
       state :internal
       state :published
       state :archived
-      state :unarchived #magic
+      state :unarchived # magic
 
       event :internal do
         transitions from:  :draft,
diff --git a/lib/core_ext/string.rb b/lib/core_ext/string.rb
index bb9cc2020..053d9f035 100644
--- a/lib/core_ext/string.rb
+++ b/lib/core_ext/string.rb
@@ -441,7 +441,7 @@ class String
     # word 14
     # edv hotline wrote:
     # edv hotline schrieb:
-    #map['word-en-de'] = "[^#{marker}].{1,250}\s(wrote|schrieb):"
+    # map['word-en-de'] = "[^#{marker}].{1,250}\s(wrote|schrieb):"
 
     map.each_value do |regexp|
       string.sub!(%r{#{regexp}}) do |placeholder|
diff --git a/lib/external_credential/facebook.rb b/lib/external_credential/facebook.rb
index 95f03e06b..aaa212fa1 100644
--- a/lib/external_credential/facebook.rb
+++ b/lib/external_credential/facebook.rb
@@ -32,8 +32,8 @@ class ExternalCredential::Facebook
     state = rand(999_999_999_999).to_s
     {
       request_token: state,
-      #authorize_url: oauth.url_for_oauth_code(permissions: 'publish_pages, manage_pages, user_posts', state: state),
-      #authorize_url: oauth.url_for_oauth_code(permissions: 'publish_pages, manage_pages', state: state),
+      # authorize_url: oauth.url_for_oauth_code(permissions: 'publish_pages, manage_pages, user_posts', state: state),
+      # authorize_url: oauth.url_for_oauth_code(permissions: 'publish_pages, manage_pages', state: state),
       authorize_url: oauth.url_for_oauth_code(permissions: 'pages_manage_posts, pages_manage_engagement, pages_manage_metadata, pages_read_engagement, pages_read_user_content', state: state),
     }
   end
@@ -52,7 +52,7 @@ class ExternalCredential::Facebook
     access_token = oauth.get_access_token(params[:code])
     client = Koala::Facebook::API.new(access_token)
     user = client.get_object('me')
-    #p client.get_connections('me', 'accounts').inspect
+    # p client.get_connections('me', 'accounts').inspect
     pages = []
     client.get_connections('me', 'accounts').each do |page|
       pages.push(
diff --git a/lib/facebook.rb b/lib/facebook.rb
index 9caf1e9d5..9cb86b65d 100644
--- a/lib/facebook.rb
+++ b/lib/facebook.rb
@@ -284,7 +284,7 @@ result
       end
 
       article = {
-        #to:        @account['name'],
+        # to:        @account['name'],
         ticket_id:     ticket.id,
         internal:      false,
         sender_id:     Ticket::Article::Sender.lookup(name: 'Customer').id,
diff --git a/lib/idoit.rb b/lib/idoit.rb
index a0feb9980..ca7e0a1fc 100644
--- a/lib/idoit.rb
+++ b/lib/idoit.rb
@@ -92,7 +92,7 @@ or with filter:
     raise 'Unable for find api_token in config' if setting[:api_token].blank?
     raise 'Unable for find endpoint in config' if setting[:endpoint].blank?
 
-    #translator_key = Setting.get('translator_key')
+    # translator_key = Setting.get('translator_key')
     params = {
       apikey: setting[:api_token],
     }
diff --git a/lib/import/otrs/article.rb b/lib/import/otrs/article.rb
index 8c95ece9d..dbd49709c 100644
--- a/lib/import/otrs/article.rb
+++ b/lib/import/otrs/article.rb
@@ -16,7 +16,7 @@ module Import
         Subject:     :subject,
         InReplyTo:   :in_reply_to,
         MessageID:   :message_id,
-        #ReplyTo:    :reply_to,
+        # ReplyTo:    :reply_to,
         References:  :references,
         ContentType: :content_type,
         Changed:     :updated_at,
diff --git a/lib/import/otrs/ticket.rb b/lib/import/otrs/ticket.rb
index a4f2eff1c..7fbba20bc 100644
--- a/lib/import/otrs/ticket.rb
+++ b/lib/import/otrs/ticket.rb
@@ -16,13 +16,13 @@ module Import
         Title:         :title,
         TicketID:      :id,
         FirstResponse: :first_response_at,
-        #FirstResponseTimeDestinationDate: :first_response_escalation_at,
-        #FirstResponseInMin: :first_response_in_min,
-        #FirstResponseDiffInMin: :first_response_diff_in_min,
+        # FirstResponseTimeDestinationDate: :first_response_escalation_at,
+        # FirstResponseInMin: :first_response_in_min,
+        # FirstResponseDiffInMin: :first_response_diff_in_min,
         Closed:        :close_at,
-        #SoltutionTimeDestinationDate: :close_escalation_at,
-        #CloseTimeInMin: :close_in_min,
-        #CloseTimeDiffInMin: :close_diff_in_min,
+        # SoltutionTimeDestinationDate: :close_escalation_at,
+        # CloseTimeInMin: :close_in_min,
+        # CloseTimeDiffInMin: :close_diff_in_min,
       }.freeze
 
       def initialize(ticket)
diff --git a/lib/models.rb b/lib/models.rb
index cd910930a..0d4691c36 100644
--- a/lib/models.rb
+++ b/lib/models.rb
@@ -55,9 +55,9 @@ returns
         all[model_class][:attributes] = model_class.attribute_names
         all[model_class][:reflections] = model_class.reflections
         all[model_class][:table] = model_class.table_name
-        #puts model_class
-        #puts "rrrr #{all[model_class][:attributes]}"
-        #puts " #{model_class.attribute_names.inspect}"
+        # puts model_class
+        # puts "rrrr #{all[model_class][:attributes]}"
+        # puts " #{model_class.attribute_names.inspect}"
       end
       all
     end
diff --git a/lib/report/base.rb b/lib/report/base.rb
index 276b39b4a..9adfc2d48 100644
--- a/lib/report/base.rb
+++ b/lib/report/base.rb
@@ -242,7 +242,7 @@ class Report::Base
       #          puts 'FR:' + first_response.to_s
       #          puts 'CT:' + ticket.created_at.to_s
       diff = timestamp - ticket.created_at
-      #puts 'DIFF:' + diff.to_s
+      # puts 'DIFF:' + diff.to_s
       time_total += diff
       tickets += 1
     end
@@ -275,7 +275,7 @@ class Report::Base
       #          puts 'FR:' + first_response.to_s
       #          puts 'CT:' + ticket.created_at.to_s
       diff = timestamp - ticket.created_at
-      #puts 'DIFF:' + diff.to_s
+      # puts 'DIFF:' + diff.to_s
       if !time_min
         time_min = diff
       end
@@ -313,7 +313,7 @@ class Report::Base
       #          puts 'FR:' + ticket.first_response.to_s
       #          puts 'CT:' + ticket.created_at.to_s
       diff = timestamp - ticket.created_at
-      #puts 'DIFF:' + diff.to_s
+      # puts 'DIFF:' + diff.to_s
       if !time_max
         time_max = diff
       end
diff --git a/lib/sessions/event/base.rb b/lib/sessions/event/base.rb
index bc02b5f76..46c682aba 100644
--- a/lib/sessions/event/base.rb
+++ b/lib/sessions/event/base.rb
@@ -141,9 +141,9 @@ class Sessions::Event::Base
     end
     # rubocop:disable Rails/Output
     puts "#{Time.now.utc.iso8601}:client(#{client_id}) #{data}"
-    #puts "#{Time.now.utc.iso8601}:#{ level }:client(#{ client_id }) #{ data }"
+    # puts "#{Time.now.utc.iso8601}:#{ level }:client(#{ client_id }) #{ data }"
     # rubocop:enable Rails/Output
-    #Rails.logger.info "#{Time.now.utc.iso8601}:client(#{client_id}) #{data}"
+    # Rails.logger.info "#{Time.now.utc.iso8601}:client(#{client_id}) #{data}"
   end
 
   def self.database_connection_required
diff --git a/lib/sessions/store/file.rb b/lib/sessions/store/file.rb
index c9dc52ba3..1a4e28f03 100644
--- a/lib/sessions/store/file.rb
+++ b/lib/sessions/store/file.rb
@@ -218,8 +218,8 @@ class Sessions::Store::File
           nodes.push data
         rescue => e
           Rails.logger.error "can't parse status file #{filename}, #{e.inspect}"
-          #to_delete.push "#{path}/#{entry}"
-          #next
+          # to_delete.push "#{path}/#{entry}"
+          # next
         end
       end
     end
@@ -260,8 +260,8 @@ class Sessions::Store::File
           yield data
         rescue => e
           Rails.logger.error "can't parse session file #{filename}, #{e.inspect}"
-          #to_delete.push "#{path}/#{entry}"
-          #next
+          # to_delete.push "#{path}/#{entry}"
+          # next
         end
       end
     end
@@ -300,8 +300,8 @@ class Sessions::Store::File
           yield data
         rescue => e
           Rails.logger.error "can't parse session file #{filename}, #{e.inspect}"
-          #to_delete.push "#{path}/#{entry}"
-          #next
+          # to_delete.push "#{path}/#{entry}"
+          # next
         end
       end
     end
diff --git a/lib/stats/ticket_channel_distribution.rb b/lib/stats/ticket_channel_distribution.rb
index 71704fcc6..4795b0682 100644
--- a/lib/stats/ticket_channel_distribution.rb
+++ b/lib/stats/ticket_channel_distribution.rb
@@ -113,7 +113,7 @@ class Stats::TicketChannelDistribution
     # append in percent
     channels.each do |channel| # rubocop:disable Style/CombinableLoops
       count = result[channel[:sender].to_sym][:inbound]
-      #puts "#{channel.inspect}:in/#{result.inspect}:#{count}"
+      # puts "#{channel.inspect}:in/#{result.inspect}:#{count}"
       in_process_precent = if count.zero?
                              0
                            else
diff --git a/lib/stats/ticket_reopen.rb b/lib/stats/ticket_reopen.rb
index dcb31092b..31daf431c 100644
--- a/lib/stats/ticket_reopen.rb
+++ b/lib/stats/ticket_reopen.rb
@@ -43,8 +43,8 @@ class Stats::TicketReopen
       return result
     end
 
-    #in_percent = ( result[:used_for_average].to_f / (result[:average_per_agent].to_f / 100) ).round(1)
-    #result[:average_per_agent_in_percent] = in_percent
+    # in_percent = ( result[:used_for_average].to_f / (result[:average_per_agent].to_f / 100) ).round(1)
+    # result[:average_per_agent_in_percent] = in_percent
     in_percent = (result[:count].to_f / (result[:total].to_f / 100)).round(1)
     result[:state] = if in_percent >= 90
                        'superbad'
diff --git a/lib/websocket_server.rb b/lib/websocket_server.rb
index 023d42c9d..50e7a8958 100644
--- a/lib/websocket_server.rb
+++ b/lib/websocket_server.rb
@@ -163,7 +163,7 @@ class WebsocketServer
   def self.send_to_client
     return if @clients.size.zero?
 
-    #log 'debug', 'checking for data to send...'
+    # log 'debug', 'checking for data to send...'
     @clients.each do |client_id, client|
       next if client[:disconnect]
 
@@ -213,6 +213,6 @@ class WebsocketServer
     return if !@options[:v] && level == 'debug'
 
     puts "#{Time.now.utc.iso8601}:client(#{client_id}) #{data}" # rubocop:disable Rails/Output
-    #puts "#{Time.now.utc.iso8601}:#{ level }:client(#{ client_id }) #{ data }"
+    # puts "#{Time.now.utc.iso8601}:#{ level }:client(#{ client_id }) #{ data }"
   end
 end
diff --git a/spec/requests/integration/user_device_spec.rb b/spec/requests/integration/user_device_spec.rb
index 85b1ae0cb..1e7e27d5f 100644
--- a/spec/requests/integration/user_device_spec.rb
+++ b/spec/requests/integration/user_device_spec.rb
@@ -166,7 +166,7 @@ RSpec.describe 'User Device', type: :request, sends_notification_emails: true do
 
       ENV['TEST_REMOTE_IP'] = '195.65.29.254' # ch
 
-      #reset_notification_checks
+      # reset_notification_checks
 
       params = {}
       get '/api/v1/users', params: params, as: :json
diff --git a/test/browser/aaa_getting_started_test.rb b/test/browser/aaa_getting_started_test.rb
index 9b86b35ce..23b7c6ac5 100644
--- a/test/browser/aaa_getting_started_test.rb
+++ b/test/browser/aaa_getting_started_test.rb
@@ -5,7 +5,7 @@ require 'browser_test_helper'
 class AaaGettingStartedTest < TestCase
   def test_a_getting_started
     if !ENV['MAILBOX_INIT']
-      #raise "Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
+      # raise "Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
       puts "NOTICE: Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
       return
     end
@@ -146,9 +146,9 @@ class AaaGettingStartedTest < TestCase
       value: 'agent1@example.com',
     )
     # not needed since we hide group selections if only one group exists
-    #click(
+    # click(
     #  css: '.js-agent input[name="group_ids"][value="1"]',
-    #)
+    # )
     click(
       css: '.js-agent .btn--success',
     )
diff --git a/test/browser/admin_calendar_sla_test.rb b/test/browser/admin_calendar_sla_test.rb
index 4f893d300..81baa0541 100644
--- a/test/browser/admin_calendar_sla_test.rb
+++ b/test/browser/admin_calendar_sla_test.rb
@@ -57,7 +57,7 @@ class AdminCalendarSlaTest < TestCase
       timeout: 4,
     )
 
-    #@browser.execute_script('$(\'.content.active table tr td:contains(" ' + data[:name] + '")\').first().click()')
+    # @browser.execute_script('$(\'.content.active table tr td:contains(" ' + data[:name] + '")\').first().click()')
     @browser.execute_script('$(\'.content.active .main .js-edit\').last().click()')
 
     modal_ready(browser: @browser)
diff --git a/test/browser/admin_channel_email_test.rb b/test/browser/admin_channel_email_test.rb
index 53f0b7908..681178920 100644
--- a/test/browser/admin_channel_email_test.rb
+++ b/test/browser/admin_channel_email_test.rb
@@ -6,7 +6,7 @@ class AdminChannelEmailTest < TestCase
   def test_account_add
 
     if !ENV['MAILBOX_INIT']
-      #raise "Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
+      # raise "Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
       puts "NOTICE: Need MAILBOX_INIT as ENV variable like export MAILBOX_INIT='unittest01@znuny.com:somepass'"
       return
     end
diff --git a/test/browser/admin_drag_drop_to_new_group_test.rb b/test/browser/admin_drag_drop_to_new_group_test.rb
index 32e996003..7d5bf711a 100644
--- a/test/browser/admin_drag_drop_to_new_group_test.rb
+++ b/test/browser/admin_drag_drop_to_new_group_test.rb
@@ -74,7 +74,7 @@ class AdminDragDropToNewGroupTest < TestCase
 
     scroll_to(agent_permission.location.y)
 
-    toggle_checkbox(@browser.find_element(css: '.modal'), "\"#{permission_id}\"") #digit-only selector fails
+    toggle_checkbox(@browser.find_element(css: '.modal'), "\"#{permission_id}\"") # digit-only selector fails
 
     assign_group(group_name)
 
@@ -135,7 +135,7 @@ class AdminDragDropToNewGroupTest < TestCase
     assert_not_nil role_container
 
     role_id = role_container.find_element(css: 'input').attribute(:value)
-    toggle_checkbox(role_container, "\"#{role_id}\"") #digit-only selector fails
+    toggle_checkbox(role_container, "\"#{role_id}\"") # digit-only selector fails
   end
 
   def get_group_element(group_name)
diff --git a/test/browser/admin_object_manager_test.rb b/test/browser/admin_object_manager_test.rb
index fe5c636ab..1d4dd6a6c 100644
--- a/test/browser/admin_object_manager_test.rb
+++ b/test/browser/admin_object_manager_test.rb
@@ -91,9 +91,9 @@ class AdminObjectManagerTest < TestCase
         title:    'ticket attribute test #1',
         body:     'ticket attribute test #1',
       },
-      #custom_data_select: {
+      # custom_data_select: {
       #  key1: 'some value',
-      #},
+      # },
       custom_data_input:   {
         browser_test1: 'some value öäüß',
       },
@@ -103,9 +103,9 @@ class AdminObjectManagerTest < TestCase
     # update ticket
     ticket_update(
       data:              {},
-      #custom_data_select: {
+      # custom_data_select: {
       #  key1: 'some value',
-      #},
+      # },
       custom_data_input: {
         browser_test1: 'some value ABC',
       },
@@ -190,9 +190,9 @@ class AdminObjectManagerTest < TestCase
         name:      'browser_test2',
         display:   'Browser Test 2',
         data_type: 'Text',
-        #data_option: {
+        # data_option: {
         #  default: 'xxx',
-        #},
+        # },
       },
     )
     object_manager_attribute_create(
@@ -215,11 +215,11 @@ class AdminObjectManagerTest < TestCase
         name:      'browser_test4',
         display:   'Browser Test 4',
         data_type: 'Integer',
-        #data_option: {
+        # data_option: {
         #  default: 'xxx',
         #  min: 15,
         #  max: 99,
-        #},
+        # },
       },
     )
 
@@ -228,11 +228,11 @@ class AdminObjectManagerTest < TestCase
         name:      'browser_test5',
         display:   'Browser Test 5',
         data_type: 'Datetime',
-        #data_option: {
+        # data_option: {
         #  future: true,
         #  past: true,
         #  diff: 24
-        #},
+        # },
       },
     )
 
@@ -241,11 +241,11 @@ class AdminObjectManagerTest < TestCase
         name:      'browser_test6',
         display:   'Browser Test 6',
         data_type: 'Date',
-        #data_option: {
+        # data_option: {
         #  future: true,
         #  past: true,
         #  diff: 24
-        #},
+        # },
       },
     )
 
diff --git a/test/browser/admin_role_test.rb b/test/browser/admin_role_test.rb
index 9134587eb..849c096a9 100644
--- a/test/browser/admin_role_test.rb
+++ b/test/browser/admin_role_test.rb
@@ -175,7 +175,7 @@ class AdminRoleTest < TestCase
     user_email = "admin.user.#{rand}@example.com"
     user_create(
       data: {
-        #login:    "some login #{random}",
+        # login:    "some login #{random}",
         firstname: "Admin.User Firstname #{random}",
         lastname:  "Admin.User Lastname #{random}",
         email:     user_email,
diff --git a/test/browser/agent_ticket_create_reset_customer_selection_test.rb b/test/browser/agent_ticket_create_reset_customer_selection_test.rb
index 881214a5e..96805462b 100644
--- a/test/browser/agent_ticket_create_reset_customer_selection_test.rb
+++ b/test/browser/agent_ticket_create_reset_customer_selection_test.rb
@@ -238,7 +238,7 @@ class AgentTicketCreateResetCustomerSelectionTest < TestCase
     sleep 1
 
     click(css: '.content.active .modal .js-submit')
-    #click(css: '.content.active .tabsSidebar-tabs .tabsSidebar-tab[data-tab="customer"]')
+    # click(css: '.content.active .tabsSidebar-tabs .tabsSidebar-tab[data-tab="customer"]')
 
     watch_for(
       css:   '.content.active .tabsSidebar .sidebar[data-tab="customer"]',
diff --git a/test/browser/agent_ticket_overview_tab_test.rb b/test/browser/agent_ticket_overview_tab_test.rb
index a39eb27f7..7a4b96203 100644
--- a/test/browser/agent_ticket_overview_tab_test.rb
+++ b/test/browser/agent_ticket_overview_tab_test.rb
@@ -55,12 +55,12 @@ class AgentTicketOverviewTabTest < TestCase
     )
     tasks_close_all
 
-    #click(text: 'Overviews')
+    # click(text: 'Overviews')
     # enable full overviews
-    #execute(
+    # execute(
     #  js: '$(".content.active .sidebar").css("display", "block")',
-    #)
-    #click(text: 'Unassigned & Open')
+    # )
+    # click(text: 'Unassigned & Open')
 
     ticket_open_by_overview(
       number: ticket1[:number],
diff --git a/test/browser/agent_user_manage_test.rb b/test/browser/agent_user_manage_test.rb
index b281e27e5..e9387ca16 100644
--- a/test/browser/agent_user_manage_test.rb
+++ b/test/browser/agent_user_manage_test.rb
@@ -202,7 +202,7 @@ class AgentUserManageTest < TestCase
     )
 
     # there are 2 models, take the correct one
-    #click(css: '.content.active .modal button.js-submit')
+    # click(css: '.content.active .modal button.js-submit')
     @browser.execute_script("$('.content.active .modal input[name=\"firstname\"]').closest('form').find('button.js-submit').click()")
 
     # check is used to check selected
diff --git a/test/browser_test_helper.rb b/test/browser_test_helper.rb
index 71fa11dd3..c9386bbba 100644
--- a/test/browser_test_helper.rb
+++ b/test/browser_test_helper.rb
@@ -52,7 +52,7 @@ class TestCase < ActiveSupport::TestCase
       browser_profile['general.useragent.locale'] = 'en-US'
       # currently console log not working for firefox
       # https://github.com/SeleniumHQ/selenium/issues/1161
-      #browser_profile['loggingPref']              = { browser: :all }
+      # browser_profile['loggingPref']              = { browser: :all }
     when 'chrome'
 
       # profile are only working on remote selenium
@@ -873,7 +873,7 @@ class TestCase < ActiveSupport::TestCase
         dropdown.deselect_all
       end
       dropdown.select_by(:text, params[:value])
-      #puts "select - #{params.inspect}"
+      # puts "select - #{params.inspect}"
     rescue
       sleep 0.4
 
@@ -885,7 +885,7 @@ class TestCase < ActiveSupport::TestCase
         dropdown.deselect_all
       end
       dropdown.select_by(:text, params[:value])
-      #puts "select2 - #{params.inspect}"
+      # puts "select2 - #{params.inspect}"
     end
 
     await_empty_ajax_queue(params)
@@ -949,9 +949,9 @@ class TestCase < ActiveSupport::TestCase
 
     instance = params[:browser] || @browser
     instance.execute_script("$('#{params[:css]}:not(:checked)').click()")
-    #element = instance.find_elements(css: params[:css])[0]
-    #checked = element.attribute('checked')
-    #element.click if !checked
+    # element = instance.find_elements(css: params[:css])[0]
+    # checked = element.attribute('checked')
+    # element.click if !checked
   end
 
 =begin
@@ -970,9 +970,9 @@ class TestCase < ActiveSupport::TestCase
     instance = params[:browser] || @browser
 
     instance.execute_script("$('#{params[:css]}:checked').click()")
-    #element = instance.find_elements(css: params[:css])[0]
-    #checked = element.attribute('checked')
-    #element.click if checked
+    # element = instance.find_elements(css: params[:css])[0]
+    # checked = element.attribute('checked')
+    # element.click if checked
   end
 
 =begin
@@ -1084,7 +1084,7 @@ class TestCase < ActiveSupport::TestCase
 
     match = false
     if params[:no_quote]
-      #puts "aaaa #{text}/#{params[:value]}"
+      # puts "aaaa #{text}/#{params[:value]}"
       if text =~ %r{#{params[:value]}}i
         match = $1 || true
       end
@@ -1361,7 +1361,7 @@ set type of task (closeTab, closeNextInOverview, stayOnTab)
     # firefix/marionette issue with Selenium::WebDriver::Error::ElementNotInteractableError: could not be scrolled into view
     # use js workaround instead of native click
     instance.execute_script("$('#navigation .tasks .task:contains(\"#{data[:title]}\") .nav-tab-name').click()")
-    #element.click
+    # element.click
     true
   end
 
@@ -1464,7 +1464,7 @@ set type of task (closeTab, closeNextInOverview, stayOnTab)
     text = ''
     (1..loops).each do
       element = instance.find_elements(selector_type => selector)[0]
-      if element #&& element.displayed?
+      if element # && element.displayed?
         begin
           # watch for selector
           if !params[:attribute] && !params[:value]
@@ -1536,7 +1536,7 @@ wait untill text in selector disabppears
     text  = ''
     (1..loops).each do
       element = instance.find_elements(css: params[:css])[0]
-      if !element #|| element.displayed?
+      if !element # || element.displayed?
         assert(true, 'not found')
         sleep 1
         return true
@@ -1615,7 +1615,7 @@ wait untill text in selector disabppears
     instance = params[:browser] || @browser
 
     99.times do
-      #sleep 0.5
+      # sleep 0.5
 
       if instance.find_elements(css: '#navigation .tasks .task:first-child')[0]
         instance.action.move_to(instance.find_elements(css: '#navigation .tasks .task:first-child')[0]).release.perform
@@ -1777,7 +1777,7 @@ wait untill text in selector disabppears
     sleep 2.5
 
     element.send_keys(:enter)
-    #instance.find_elements(css: params[:css] + ' .recipientList-entry.js-object.is-active')[0].click
+    # instance.find_elements(css: params[:css] + ' .recipientList-entry.js-object.is-active')[0].click
     sleep 0.4
     assert(true, 'ticket_customer_select')
   end
@@ -2294,7 +2294,7 @@ wait untill text in selector disabppears
       return
     end
 
-    #instance.execute_script('$(".content.active .newTicket form").submit();')
+    # instance.execute_script('$(".content.active .newTicket form").submit();')
     click(
       browser:  instance,
       css:      '.content.active .newTicket button.js-submit',
@@ -2376,13 +2376,13 @@ wait untill text in selector disabppears
     data     = params[:data]
 
     if data[:title]
-      #element = instance.find_elements(:css => '.content.active .ticketZoom-header .js-objectTitle')[0]
-      #element.clear
-      #sleep 0.5
-      #element = instance.find_elements(:css => '.content.active .ticketZoom-header .js-objectTitle')[0]
-      #element.send_keys(data[:title])
-      #sleep 0.5
-      #element.send_keys(:tab)
+      # element = instance.find_elements(:css => '.content.active .ticketZoom-header .js-objectTitle')[0]
+      # element.clear
+      # sleep 0.5
+      # element = instance.find_elements(:css => '.content.active .ticketZoom-header .js-objectTitle')[0]
+      # element.send_keys(data[:title])
+      # sleep 0.5
+      # element.send_keys(:tab)
 
       instance.execute_script('$(".content.active .ticketZoom-header .js-objectTitle").focus()')
       instance.execute_script(%($(".content.active .ticketZoom-header .js-objectTitle").text("#{data[:title]}")))
@@ -2422,7 +2422,7 @@ wait untill text in selector disabppears
       sleep 2.5
 
       element.send_keys(:enter)
-      #instance.find_elements(css: '.modal .user_autocompletion .recipientList-entry.js-object.is-active')[0].click
+      # instance.find_elements(css: '.modal .user_autocompletion .recipientList-entry.js-object.is-active')[0].click
       sleep 0.2
 
       click(browser: instance, css: '.modal .js-submit')
@@ -2805,7 +2805,7 @@ wait untill text in selector disabppears
     sleep 3
 
     # open ticket
-    #instance.find_element(partial_link_text: params[:number] } ).click
+    # instance.find_element(partial_link_text: params[:number] } ).click
     instance.execute_script("$(\".js-global-search-result a:contains('#{params[:number]}') .nav-tab-name\").first().click()")
     watch_for(
       browser: instance,
@@ -2842,7 +2842,7 @@ wait untill text in selector disabppears
     sleep 3
 
     # open ticket
-    #instance.find_element(partial_link_text: params[:title] } ).click
+    # instance.find_element(partial_link_text: params[:title] } ).click
     instance.execute_script("$(\".js-global-search-result a:contains('#{params[:title]}') .nav-tab-name\").first().click()")
     sleep 1
     title = instance.find_elements(css: '.content.active .ticketZoom-header .js-objectTitle')[0].text
@@ -2879,10 +2879,10 @@ wait untill text in selector disabppears
       browser: instance,
       js:      '$(".content.active .sidebar").css("display", "block")',
     )
-    #execute(
+    # execute(
     #  browser: instance,
     #  js: '$(".content.active .overview-header").css("display", "none")',
-    #)
+    # )
 
     begin
       overviews = {}
@@ -2890,8 +2890,8 @@ wait untill text in selector disabppears
         url = element.attribute('href')
         url.gsub!(%r{(http|https)://.+?/(.+?)$}, '\\2')
         overviews[url] = 0
-        #puts url.inspect
-        #puts element.inspect
+        # puts url.inspect
+        # puts element.inspect
       end
 
       overviews.each_key do |url|
@@ -2945,7 +2945,7 @@ wait untill text in selector disabppears
       css:     '.navigation .search.loading'
     )
 
-    #instance.find_element(partial_link_text: params[:value] } ).click
+    # instance.find_element(partial_link_text: params[:value] } ).click
     instance.execute_script("$(\".js-global-search-result a:contains('#{params[:value]}') .nav-tab-name\").first().click()")
     watch_for(
       browser: instance,
@@ -2981,7 +2981,7 @@ wait untill text in selector disabppears
     element.send_keys(params[:value])
     sleep 3
 
-    #instance.find_element(partial_link_text: params[:value]).click
+    # instance.find_element(partial_link_text: params[:value]).click
     instance.execute_script("$(\".js-global-search-result a:contains('#{params[:value]}') .nav-tab-name\").first().click()")
     watch_for(
       browser: instance,
@@ -3672,7 +3672,7 @@ wait untill text in selector disabppears
     element = instance.find_elements(css: '.modal select[name="email_address_id"]')[0]
     dropdown = Selenium::WebDriver::Support::Select.new(element)
     dropdown.select_by(:index, 1)
-    #dropdown.select_by(:text, action[:group])
+    # dropdown.select_by(:text, action[:group])
     if data[:signature]
       element = instance.find_elements(css: '.modal select[name="signature_id"]')[0]
       dropdown = Selenium::WebDriver::Support::Select.new(element)
@@ -3699,10 +3699,10 @@ wait untill text in selector disabppears
         element.clear
         element.send_keys(member[:login])
         sleep 3
-        #instance.find_elements(:css => '.content.active table [data-id]')[0].click
+        # instance.find_elements(:css => '.content.active table [data-id]')[0].click
         instance.execute_script('$(".content.active  table [data-id] td").first().click()')
         modal_ready(browser: instance)
-        #instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
+        # instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
         instance.execute_script(%($(".js-groupList tr:contains(\\"#{data[:name]}\\") .js-groupListItem[value=#{member[:access]}]").prop("checked", true)))
         instance.find_elements(css: '.modal button.js-submit')[0].click
         await_empty_ajax_queue(params)
@@ -3904,10 +3904,10 @@ wait untill text in selector disabppears
         element.clear
         element.send_keys(login)
         sleep 3
-        #instance.find_elements(:css => '.content.active table [data-id]')[0].click
+        # instance.find_elements(:css => '.content.active table [data-id]')[0].click
         instance.execute_script('$(".content.active table [data-id] td").first().click()')
         sleep 3
-        #instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
+        # instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
         instance.execute_script(%($('label:contains(" #{data[:name]}")').first().click()))
         instance.find_elements(css: '.modal button.js-submit')[0].click
         modal_disappear(browser: instance)
@@ -4029,10 +4029,10 @@ wait untill text in selector disabppears
         element.clear
         element.send_keys(login)
         sleep 3
-        #instance.find_elements(:css => '.content.active table [data-id]')[0].click
+        # instance.find_elements(:css => '.content.active table [data-id]')[0].click
         instance.execute_script('$(".content.active table [data-id] td").first().click()')
         sleep 3
-        #instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
+        # instance.find_elements(:css => 'label:contains(" ' + action[:name] + '")')[0].click
         instance.execute_script(%($('label:contains(" #{data[:name]}")').first().click()))
         instance.find_elements(css: '.modal button.js-submit')[0].click
         modal_disappear(browser: instance)
diff --git a/test/integration/clearbit_test.rb b/test/integration/clearbit_test.rb
index 238445d56..fb4381aff 100644
--- a/test/integration/clearbit_test.rb
+++ b/test/integration/clearbit_test.rb
@@ -27,8 +27,8 @@ class ClearbitTest < ActiveSupport::TestCase
                     'person.site'            => 'user.web',
                     'company.location'       => 'user.address',
                     'person.location'        => 'user.address',
-                    #'person.timeZone' => 'user.preferences[:timezone]',
-                    #'person.gender' => 'user.preferences[:gender]',
+                    # 'person.timeZone' => 'user.preferences[:timezone]',
+                    # 'person.gender' => 'user.preferences[:gender]',
                   },
                   organization_sync:       {
                     'company.legalName'   => 'organization.name',
@@ -270,7 +270,7 @@ class ClearbitTest < ActiveSupport::TestCase
     assert_equal('', customer6.lastname)
     assert_equal('', customer6.note)
     assert_equal('', customer6.web)
-    #assert_equal('http://clearbit.com', customer6.web)
+    # assert_equal('http://clearbit.com', customer6.web)
     sometimes_changing_but_valid_addresses = [
       'San Francisco, CA, USA',
       'San Francisco, CA 94103, USA',
diff --git a/test/integration/email_keep_on_server_test.rb b/test/integration/email_keep_on_server_test.rb
index a921ad8d9..b6810041b 100644
--- a/test/integration/email_keep_on_server_test.rb
+++ b/test/integration/email_keep_on_server_test.rb
@@ -44,7 +44,7 @@ class EmailKeepOnServerTest < ActiveSupport::TestCase
             password: @server_password,
             ssl:      true,
             folder:   @folder,
-            #keep_on_server: true,
+            # keep_on_server: true,
           }
         },
         outbound: {
diff --git a/test/integration/geo_location_test.rb b/test/integration/geo_location_test.rb
index 9cb6caebb..650925054 100644
--- a/test/integration/geo_location_test.rb
+++ b/test/integration/geo_location_test.rb
@@ -7,7 +7,7 @@ class GeoLocationTest < ActiveSupport::TestCase
 
   setup do
     @mock = true
-    #WebMock.allow_net_connect!
+    # WebMock.allow_net_connect!
   end
 
   # check
diff --git a/test/integration/otrs_import_test.rb b/test/integration/otrs_import_test.rb
index 65ed38a6f..1111a9f90 100644
--- a/test/integration/otrs_import_test.rb
+++ b/test/integration/otrs_import_test.rb
@@ -55,7 +55,7 @@ class OtrsImportTest < ActiveSupport::TestCase
     role_admin    = Role.where(name: 'Admin').first
     role_agent    = Role.where(name: 'Agent').first
     role_customer = Role.where(name: 'Customer').first
-    #role_report   = Role.where( :name => 'Report' ).first
+    # role_report   = Role.where( :name => 'Report' ).first
 
     user1 = User.find(2)
     assert_equal('agent-1 firstname', user1.firstname)
@@ -67,7 +67,7 @@ class OtrsImportTest < ActiveSupport::TestCase
     assert(user1.roles.include?(role_agent))
     assert_not(user1.roles.include?(role_admin))
     assert_not(user1.roles.include?(role_customer))
-    #assert_not( user1.roles.include?( role_report ) )
+    # assert_not( user1.roles.include?( role_report ) )
 
     group_dasa = Group.where(name: 'dasa').first
     group_raw  = Group.where(name: 'Raw').first
@@ -85,7 +85,7 @@ class OtrsImportTest < ActiveSupport::TestCase
     assert(user2.roles.include?(role_agent))
     assert(user2.roles.include?(role_admin))
     assert_not(user2.roles.include?(role_customer))
-    #assert( user2.roles.include?( role_report ) )
+    # assert( user2.roles.include?( role_report ) )
 
     assert(user2.groups_access('full').include?(group_dasa))
     assert(user2.groups_access('full').include?(group_raw))
@@ -100,7 +100,7 @@ class OtrsImportTest < ActiveSupport::TestCase
     assert(user3.roles.include?(role_agent))
     assert_not(user3.roles.include?(role_admin))
     assert_not(user3.roles.include?(role_customer))
-    #assert( user3.roles.include?( role_report ) )
+    # assert( user3.roles.include?( role_report ) )
 
     assert_not(user3.groups_access('full').include?(group_dasa))
     assert_not(user3.groups_access('full').include?(group_raw))
@@ -115,7 +115,7 @@ class OtrsImportTest < ActiveSupport::TestCase
     assert(user4.roles.include?(role_agent))
     assert_not(user4.roles.include?(role_admin))
     assert_not(user4.roles.include?(role_customer))
-    #assert( user4.roles.include?( role_report ) )
+    # assert( user4.roles.include?( role_report ) )
 
     assert_not(user4.groups_access('full').include?(group_dasa))
     assert_not(user4.groups_access('full').include?(group_raw))
diff --git a/test/integration/user_agent_test.rb b/test/integration/user_agent_test.rb
index 5e90bbed7..9e346e95a 100644
--- a/test/integration/user_agent_test.rb
+++ b/test/integration/user_agent_test.rb
@@ -4,7 +4,7 @@ require 'integration_test_helper'
 
 class UserAgentTest < ActiveSupport::TestCase
   host = 'https://web-test.dc.zammad.com'
-  #host = 'http://127.0.0.1:3003'
+  # host = 'http://127.0.0.1:3003'
 
   setup do
     if ENV['ZAMMAD_PROXY_TEST'] == 'true'
@@ -358,7 +358,7 @@ class UserAgentTest < ActiveSupport::TestCase
 
     # ftp / 200
     result = UserAgent.request(
-      #'ftp://root.cern.ch/pub/README-root-build.txt',
+      # 'ftp://root.cern.ch/pub/README-root-build.txt',
       'ftp://ftp.gwdg.de/pub/rfc/rfc-index.txt',
     )
     assert(result)
@@ -369,7 +369,7 @@ class UserAgentTest < ActiveSupport::TestCase
 
     # ftp / 401
     result = UserAgent.request(
-      #'ftp://root.cern.ch/pub/not_existing.msg',
+      # 'ftp://root.cern.ch/pub/not_existing.msg',
       'ftp://ftp.gwdg.de/pub/rfc/not_existing.txt',
     )
     assert(result)
diff --git a/test/unit/integration_nagios_test.rb b/test/unit/integration_nagios_test.rb
index 69b636af3..5caeb86bf 100644
--- a/test/unit/integration_nagios_test.rb
+++ b/test/unit/integration_nagios_test.rb
@@ -209,7 +209,7 @@ Comment: [] =
     assert_nil(ticket_3_1.preferences['nagios']['service'])
     assert_equal('DOWN', ticket_3_1.preferences['nagios']['state'])
 
-    #Setting.set('nagios_integration', false)
+    # Setting.set('nagios_integration', false)
 
   end
 
diff --git a/test/unit/karma_test.rb b/test/unit/karma_test.rb
index 8785dbbcd..2aa00140e 100644
--- a/test/unit/karma_test.rb
+++ b/test/unit/karma_test.rb
@@ -325,7 +325,7 @@ class KarmaTest < ActiveSupport::TestCase
     assert_equal(0, Karma.score_by_user(customer1))
 
     ticket1.tag_add('Tag1', agent1.id)
-    #travel 5.seconds
+    # travel 5.seconds
     ticket1.tag_add('Tag2', agent1.id)
 
     # execute object transaction
@@ -465,8 +465,8 @@ class KarmaTest < ActiveSupport::TestCase
     TransactionDispatcher.commit
     Scheduler.worker(true)
 
-    #Scheduler.worker(true)
-    #Ticket::Escalation.rebuild_all
+    # Scheduler.worker(true)
+    # Ticket::Escalation.rebuild_all
     Ticket.process_escalation
 
     assert_equal(10 + 2 + 25 + 4 + 10 - 5 - 5, Karma.score_by_user(agent1))
diff --git a/test/unit/notification_factory_renderer_test.rb b/test/unit/notification_factory_renderer_test.rb
index 2cfac5dbe..f919c70dc 100644
--- a/test/unit/notification_factory_renderer_test.rb
+++ b/test/unit/notification_factory_renderer_test.rb
@@ -246,7 +246,7 @@ class NotificationFactoryRendererTest < ActiveSupport::TestCase
 
   test 'translation' do
 
-    #template = "<%= t 'new' %>"
+    # template = "<%= t 'new' %>"
     template = "\#{t('new')}"
     result = described_class.new(
       objects:  {
diff --git a/test/unit/ticket_notification_test.rb b/test/unit/ticket_notification_test.rb
index 609ed1a6e..c13079424 100644
--- a/test/unit/ticket_notification_test.rb
+++ b/test/unit/ticket_notification_test.rb
@@ -1015,8 +1015,8 @@ class TicketNotificationTest < ActiveSupport::TestCase
       group:         Group.lookup(name: 'TicketNotificationTest'),
       customer:      @customer,
       owner_id:      @agent2.id,
-      #state: Ticket::State.lookup(name: 'new'),
-      #priority: Ticket::Priority.lookup(name: '2 normal'),
+      # state: Ticket::State.lookup(name: 'new'),
+      # priority: Ticket::Priority.lookup(name: '2 normal'),
       updated_by_id: @customer.id,
       created_by_id: @customer.id,
     )
@@ -1058,8 +1058,8 @@ class TicketNotificationTest < ActiveSupport::TestCase
       group:         Group.lookup(name: 'TicketNotificationTest'),
       customer:      @customer,
       owner_id:      @agent2.id,
-      #state: Ticket::State.lookup(name: 'new'),
-      #priority: Ticket::Priority.lookup(name: '2 normal'),
+      # state: Ticket::State.lookup(name: 'new'),
+      # priority: Ticket::Priority.lookup(name: '2 normal'),
       updated_by_id: @customer.id,
       created_by_id: @customer.id,
     )
diff --git a/test/unit/ticket_overview_test.rb b/test/unit/ticket_overview_test.rb
index 85e3f6a55..59d18bde2 100644
--- a/test/unit/ticket_overview_test.rb
+++ b/test/unit/ticket_overview_test.rb
@@ -33,7 +33,7 @@ class TicketOverviewTest < ActiveSupport::TestCase
       password:      'agentpw',
       active:        true,
       roles:         roles,
-      #groups: groups,
+      # groups: groups,
       updated_at:    '2015-02-05 16:38:00',
       updated_by_id: 1,
       created_by_id: 1,
diff --git a/test/unit/ticket_selector_test.rb b/test/unit/ticket_selector_test.rb
index 8b44dfe7f..3498865a6 100644
--- a/test/unit/ticket_selector_test.rb
+++ b/test/unit/ticket_selector_test.rb
@@ -86,7 +86,7 @@ class TicketSelectorTest < ActiveSupport::TestCase
       state:         Ticket::State.lookup(name: 'new'),
       priority:      Ticket::Priority.lookup(name: '2 normal'),
       created_at:    '2015-02-05 16:37:00',
-      #updated_at: '2015-02-05 17:37:00',
+      # updated_at: '2015-02-05 17:37:00',
       updated_by_id: 1,
       created_by_id: 1,
     )
@@ -102,7 +102,7 @@ class TicketSelectorTest < ActiveSupport::TestCase
       state:         Ticket::State.lookup(name: 'new'),
       priority:      Ticket::Priority.lookup(name: '2 normal'),
       created_at:    '2015-02-05 16:37:00',
-      #updated_at: '2015-02-05 17:37:00',
+      # updated_at: '2015-02-05 17:37:00',
       updated_by_id: 1,
       created_by_id: 1,
     )
@@ -118,7 +118,7 @@ class TicketSelectorTest < ActiveSupport::TestCase
       state:         Ticket::State.lookup(name: 'open'),
       priority:      Ticket::Priority.lookup(name: '2 normal'),
       created_at:    '2015-02-05 16:37:00',
-      #updated_at: '2015-02-05 17:37:00',
+      # updated_at: '2015-02-05 17:37:00',
       updated_by_id: 1,
       created_by_id: 1,
     )
@@ -773,7 +773,7 @@ class TicketSelectorTest < ActiveSupport::TestCase
       'ticket.owner_id' => {
         operator:      'is',
         pre_condition: 'specific',
-        #value: @agent1.id, # value is not set, no result should be shown
+        # value: @agent1.id, # value is not set, no result should be shown
       },
     }
     ticket_count, tickets = Ticket.selectors(condition, limit: 10, current_user: @agent1)
diff --git a/test/unit/ticket_trigger_recursive_disabled_test.rb b/test/unit/ticket_trigger_recursive_disabled_test.rb
index 75120fc93..a975ce548 100644
--- a/test/unit/ticket_trigger_recursive_disabled_test.rb
+++ b/test/unit/ticket_trigger_recursive_disabled_test.rb
@@ -947,7 +947,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
     assert_equal('2 normal', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1026,7 +1026,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
     assert_equal('3 high', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1109,7 +1109,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
     assert_equal('3 high', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1349,7 +1349,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -1705,7 +1705,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -1888,7 +1888,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -2599,7 +2599,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       customer:      customer,
       group:         Group.lookup(name: 'Users'),
       updated_by_id: 1,
@@ -3563,7 +3563,7 @@ class TicketTriggerRecursiveDisabledTest < ActiveSupport::TestCase
           'value'    => Ticket::State.lookup(name: 'new').id.to_s,
         },
         'ticket.tags'     => {
-          #'operator' => 'contains one not',
+          # 'operator' => 'contains one not',
           'operator' => 'contains all not',
           'value'    => 'sender1, sender2',
         },
diff --git a/test/unit/ticket_trigger_test.rb b/test/unit/ticket_trigger_test.rb
index 1c6f78fb8..76316e23a 100644
--- a/test/unit/ticket_trigger_test.rb
+++ b/test/unit/ticket_trigger_test.rb
@@ -973,7 +973,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
     assert_equal('2 normal', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1052,7 +1052,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
     assert_equal('3 high', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1135,7 +1135,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
     assert_equal('3 high', ticket_p.priority.name, 'ticket_p.priority verify')
     assert_equal(2, ticket_p.articles.count, 'ticket_p.articles verify')
 
-    #p ticket_p.articles.last.inspect
+    # p ticket_p.articles.last.inspect
     article_p = ticket_p.articles.last
     assert_match('Owner has changed', article_p.subject)
     assert_match('Zammad <zammad@localhost>', article_p.from)
@@ -1375,7 +1375,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -1731,7 +1731,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -1914,7 +1914,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       group:         Group.lookup(name: 'Users'),
       customer:      User.lookup(email: 'nicole.braun@zammad.org'),
       updated_by_id: 1,
@@ -2625,7 +2625,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
 
     ticket1 = Ticket.create!(
       title:         'test 123',
-      #owner: agent,
+      # owner: agent,
       customer:      customer,
       group:         Group.lookup(name: 'Users'),
       updated_by_id: 1,
@@ -3589,7 +3589,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
           'value'    => Ticket::State.lookup(name: 'new').id.to_s,
         },
         'ticket.tags'     => {
-          #'operator' => 'contains one not',
+          # 'operator' => 'contains one not',
           'operator' => 'contains all not',
           'value'    => 'sender1, sender2',
         },
@@ -4596,7 +4596,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
     end
   end
 
-  #2399 - Attached images are broken on trigger reply with #{article.body_as_html}
+  # 2399 - Attached images are broken on trigger reply with #{article.body_as_html}
   test 'make sure auto reply using #{article.body_as_html} copies all articles image attachments as well' do
     # make sure that this auto reply trigger only reacts to this particular test in order not to interfer with other auto reply tests
     Trigger.create!(
@@ -4641,7 +4641,7 @@ class TicketTriggerTest < ActiveSupport::TestCase
     assert_equal('CPG-Reklamationsmitteilung bezügl.01234567895 an Voda-28.03.2017.jpg', article1.attachments[0].filename)
   end
 
-  #2399 - Attached images are broken on trigger reply with #{article.body_as_html}
+  # 2399 - Attached images are broken on trigger reply with #{article.body_as_html}
   test 'make sure auto reply using #{article.body_as_html} does not copy any non-image attachments' do
     # make sure that this auto reply trigger only reacts to this particular test in order not to interfer with other auto reply tests
     Trigger.create!(
diff --git a/test/unit/user_assets_test.rb b/test/unit/user_assets_test.rb
index d4bd79e68..7fe5cc95b 100644
--- a/test/unit/user_assets_test.rb
+++ b/test/unit/user_assets_test.rb
@@ -115,7 +115,7 @@ class UserAssetsTest < ActiveSupport::TestCase
     end
     return true if (object1.to_a - object2.to_a).blank?
 
-    #puts "ERROR: difference \n1: #{object1.inspect}\n2: #{object2.inspect}\ndiff: #{(object1.to_a - object2.to_a).inspect}"
+    # puts "ERROR: difference \n1: #{object1.inspect}\n2: #{object2.inspect}\ndiff: #{(object1.to_a - object2.to_a).inspect}"
     false
   end
 
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index f2441af12..b99f4d1b0 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -411,7 +411,7 @@ class UserTest < ActiveSupport::TestCase
       login:         login,
       firstname:     'Role',
       lastname:      "Admin#{name}",
-      #email: "",
+      # email: "",
       password:      'adminpw',
       active:        true,
       roles:         Role.where(name: %w[Admin Agent]),
@@ -449,7 +449,7 @@ class UserTest < ActiveSupport::TestCase
       login:         login,
       firstname:     'Role',
       lastname:      "Admin#{name}",
-      #email: "",
+      # email: "",
       password:      'adminpw',
       active:        true,
       roles:         Role.where(name: %w[Admin Agent]),
@@ -1223,7 +1223,7 @@ class UserTest < ActiveSupport::TestCase
 
     Cti::CallerId.maybe_add(
       caller_id: '49123456789',
-      comment:   'Hairdresser Bob Smith, San Francisco', #optional
+      comment:   'Hairdresser Bob Smith, San Francisco', # optional
       level:     'maybe', # known|maybe
       user_id:   agent1_id, # optional
       object:    'Ticket',