diff --git a/test/unit/cache_test.rb b/test/unit/cache_test.rb
index cee7d292e..926d5f57d 100644
--- a/test/unit/cache_test.rb
+++ b/test/unit/cache_test.rb
@@ -81,10 +81,10 @@ class CacheTest < ActiveSupport::TestCase
             key: 'some valueöäüß2',
           },
           param: {
-            expires_in: 5.seconds,
+            expires_in: 3.seconds,
           }
         },
-        sleep: 10,
+        sleep: 5,
         verify: {
           key: '123',
           data: nil
@@ -93,10 +93,10 @@ class CacheTest < ActiveSupport::TestCase
     ]
     tests.each { |test|
       if test[:set]
-        Cache.write( test[:set], test[:set][:data] )
+        Cache.write(test[:set], test[:set][:data])
       end
       if test[:delete]
-        Cache.delete( test[:delete][:key] )
+        Cache.delete(test[:delete][:key])
       end
       if test[:cleanup]
         Cache.clear
@@ -105,17 +105,17 @@ class CacheTest < ActiveSupport::TestCase
         sleep test[:sleep]
       end
       if test[:verify]
-        cache = Cache.get( test[:verify] )
-        assert_equal( cache, test[:verify][:data], 'verify' )
+        cache = Cache.get(test[:verify])
+        assert_equal(cache, test[:verify][:data], 'verify')
       end
     }
   end
 
   # verify if second cache write overwrite first one
   test 'cache reset' do
-    Cache.write( 'some_reset_key', 123 )
-    Cache.write( 'some_reset_key', 12_356 )
-    cache = Cache.get( 'some_reset_key' )
-    assert_equal( cache, 12_356, 'verify' )
+    Cache.write('some_reset_key', 123)
+    Cache.write('some_reset_key', 12_356)
+    cache = Cache.get('some_reset_key')
+    assert_equal(cache, 12_356, 'verify')
   end
 end
diff --git a/test/unit/organization_ref_object_touch_test.rb b/test/unit/organization_ref_object_touch_test.rb
index 5071fd04c..dd599326d 100644
--- a/test/unit/organization_ref_object_touch_test.rb
+++ b/test/unit/organization_ref_object_touch_test.rb
@@ -71,51 +71,51 @@ class OrganizationRefObjectTouchTest < ActiveSupport::TestCase
       updated_by_id: 1,
       created_by_id: 1,
     )
-    assert( ticket, 'ticket created' )
-    assert_equal( ticket.customer.id, customer1.id  )
-    assert_equal( ticket.organization.id, organization1.id  )
+    assert(ticket, 'ticket created')
+    assert_equal(ticket.customer.id, customer1.id )
+    assert_equal(ticket.organization.id, organization1.id )
 
-    sleep 6
+    sleep 4
 
     organization1.name = 'Ref Object Update Org 1/1'
     organization1.save
 
     # check if ticket and customer has been touched
     ticket = Ticket.find(ticket.id)
-    if ticket.updated_at > 4.seconds.ago
-      assert( true, 'ticket.updated_at has been updated' )
+    if ticket.updated_at > 2.seconds.ago
+      assert(true, 'ticket.updated_at has been updated')
     else
-      assert( false, 'ticket.updated_at has not been updated' )
+      assert(false, 'ticket.updated_at has not been updated')
     end
 
     customer1 = User.find(customer1.id)
-    if customer1.updated_at > 4.seconds.ago
-      assert( true, 'customer1.updated_at has been updated' )
+    if customer1.updated_at > 2.seconds.ago
+      assert(true, 'customer1.updated_at has been updated')
     else
-      assert( false, 'customer1.updated_at has not been updated' )
+      assert(false, 'customer1.updated_at has not been updated')
     end
 
-    sleep 6
+    sleep 4
 
     customer2.organization_id = organization1.id
     customer2.save
 
     # check if customer1 and organization has been touched
     customer1 = User.find(customer1.id)
-    if customer1.updated_at > 4.seconds.ago
-      assert( true, 'customer1.updated_at has been updated' )
+    if customer1.updated_at > 2.seconds.ago
+      assert(true, 'customer1.updated_at has been updated')
     else
-      assert( false, 'customer1.updated_at has not been updated' )
+      assert(false, 'customer1.updated_at has not been updated')
     end
 
     organization1 = Organization.find(organization1.id)
-    if organization1.updated_at > 4.seconds.ago
-      assert( true, 'organization1.updated_at has been updated' )
+    if organization1.updated_at > 2.seconds.ago
+      assert(true, 'organization1.updated_at has been updated')
     else
-      assert( false, 'organization1.updated_at has not been updated' )
+      assert(false, 'organization1.updated_at has not been updated')
     end
 
     delete = ticket.destroy
-    assert( delete, 'ticket destroy' )
+    assert(delete, 'ticket destroy')
   end
 end
diff --git a/test/unit/recent_view_test.rb b/test/unit/recent_view_test.rb
index 6ed3e2500..fe3b5345a 100644
--- a/test/unit/recent_view_test.rb
+++ b/test/unit/recent_view_test.rb
@@ -14,46 +14,46 @@ class RecentViewTest < ActiveSupport::TestCase
       updated_by_id: 1,
       created_by_id: 1,
     )
-    assert( ticket1, 'ticket created' )
+    assert(ticket1, 'ticket created')
     ticket2 = Ticket.create(
       title: 'RecentViewTest 2 some title äöüß',
-      group: Group.lookup( name: 'Users'),
+      group: Group.lookup(name: 'Users'),
       customer_id: 2,
-      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: 1,
       created_by_id: 1,
     )
-    assert( ticket2, 'ticket created' )
+    assert(ticket2, 'ticket created')
     user1 = User.find(2)
     RecentView.user_log_destroy(user1)
 
-    RecentView.log( ticket1.class.to_s, ticket1.id, user1 )
+    RecentView.log(ticket1.class.to_s, ticket1.id, user1)
     sleep 1
-    RecentView.log( ticket2.class.to_s, ticket2.id, user1 )
+    RecentView.log(ticket2.class.to_s, ticket2.id, user1)
     sleep 1
-    RecentView.log( ticket1.class.to_s, ticket1.id, user1 )
+    RecentView.log(ticket1.class.to_s, ticket1.id, user1)
     sleep 1
-    RecentView.log( ticket1.class.to_s, ticket1.id, user1 )
+    RecentView.log(ticket1.class.to_s, ticket1.id, user1)
 
-    list = RecentView.list( user1 )
-    assert( list[0]['o_id'], ticket1.id )
-    assert( list[0]['object'], 'Ticket' )
+    list = RecentView.list(user1)
+    assert(list[0]['o_id'], ticket1.id)
+    assert(list[0]['object'], 'Ticket')
 
-    assert( list[1]['o_id'], ticket1.id )
-    assert( list[1]['object'], 'Ticket' )
+    assert(list[1]['o_id'], ticket1.id)
+    assert(list[1]['object'], 'Ticket')
 
-    assert( list[2]['o_id'], ticket2.id )
-    assert( list[2]['object'], 'Ticket' )
+    assert(list[2]['o_id'], ticket2.id)
+    assert(list[2]['object'], 'Ticket')
 
-    assert( list[3]['o_id'], ticket1.id )
-    assert( list[3]['object'], 'Ticket' )
+    assert(list[3]['o_id'], ticket1.id)
+    assert(list[3]['object'], 'Ticket')
 
     ticket1.destroy
     ticket2.destroy
 
-    list = RecentView.list( user1 )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(user1)
+    assert(!list[0], 'check if recent view list is empty')
   end
 
   test 'existing tests' do
@@ -61,34 +61,34 @@ class RecentViewTest < ActiveSupport::TestCase
 
     # log entry of not existing object
     RecentView.user_log_destroy(user)
-    RecentView.log( 'ObjectNotExisting', 1, user )
+    RecentView.log('ObjectNotExisting', 1, user)
 
     # check if list is empty
-    list = RecentView.list( user )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(user)
+    assert(!list[0], 'check if recent view list is empty')
 
     # log entry of not existing record
     RecentView.user_log_destroy(user)
-    RecentView.log( 'User', 99_999_999, user )
+    RecentView.log('User', 99_999_999, user)
 
     # check if list is empty
-    list = RecentView.list( user )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(user)
+    assert(!list[0], 'check if recent view list is empty')
 
     # log entry of not existing model with permission check
     RecentView.user_log_destroy(user)
-    RecentView.log( 'Overview', 99_999_999, user )
+    RecentView.log('Overview', 99_999_999, user)
 
     # check if list is empty
-    list = RecentView.list( user )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(user)
+    assert(!list[0], 'check if recent view list is empty')
   end
 
   test 'permission tests' do
     customer = User.find(2)
 
-    groups = Group.where( name: 'Users' )
-    roles  = Role.where( name: 'Agent' )
+    groups = Group.where(name: 'Users')
+    roles  = Role.where(name: 'Agent')
     agent  = User.create_or_update(
       login: 'recent-viewed-agent@example.com',
       firstname: 'RecentViewed',
@@ -111,72 +111,72 @@ class RecentViewTest < ActiveSupport::TestCase
     # no access for customer
     ticket1 = Ticket.create(
       title: 'RecentViewTest 1 some title äöüß',
-      group: Group.lookup( name: 'WithoutAccess'),
+      group: Group.lookup(name: 'WithoutAccess'),
       customer_id: 1,
-      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: 1,
       created_by_id: 1,
     )
-    assert( ticket1, 'ticket created' )
+    assert(ticket1, 'ticket created')
 
     # log entry of not existing object
     RecentView.user_log_destroy(customer)
-    RecentView.log( ticket1.class.to_s, ticket1.id, customer )
+    RecentView.log(ticket1.class.to_s, ticket1.id, customer)
 
     # check if list is empty
-    list = RecentView.list( customer )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(customer)
+    assert(!list[0], 'check if recent view list is empty')
 
     # log entry of not existing object
     RecentView.user_log_destroy(agent)
-    RecentView.log( ticket1.class.to_s, ticket1.id, agent )
+    RecentView.log(ticket1.class.to_s, ticket1.id, agent)
 
     # check if list is empty
-    list = RecentView.list( agent )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(agent)
+    assert(!list[0], 'check if recent view list is empty')
 
     # access for customer via customer id
     ticket1 = Ticket.create(
       title: 'RecentViewTest 1 some title äöüß',
-      group: Group.lookup( name: 'WithoutAccess'),
+      group: Group.lookup(name: 'WithoutAccess'),
       customer_id: 2,
-      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: 1,
       created_by_id: 1,
     )
-    assert( ticket1, 'ticket created' )
+    assert(ticket1, 'ticket created')
 
     # log entry
     RecentView.user_log_destroy(customer)
-    RecentView.log( ticket1.class.to_s, ticket1.id, customer )
+    RecentView.log(ticket1.class.to_s, ticket1.id, customer)
 
     # check if list is empty
-    list = RecentView.list( customer )
-    assert( list[0]['o_id'], ticket1.id )
-    assert( list[0]['object'], 'Ticket' )
-    assert( !list[1], 'check if recent view list is empty' )
+    list = RecentView.list(customer)
+    assert(list[0]['o_id'], ticket1.id)
+    assert(list[0]['object'], 'Ticket')
+    assert(!list[1], 'check if recent view list is empty')
 
     # log entry
     organization = Organization.find(1)
     RecentView.user_log_destroy(customer)
-    RecentView.log( organization.class.to_s, organization.id, customer )
+    RecentView.log(organization.class.to_s, organization.id, customer)
 
     # check if list is empty
-    list = RecentView.list( customer )
-    assert( !list[0], 'check if recent view list is empty' )
+    list = RecentView.list(customer)
+    assert(!list[0], 'check if recent view list is empty')
 
     # log entry
     organization = Organization.find(1)
     RecentView.user_log_destroy(agent)
-    RecentView.log( organization.class.to_s, organization.id, agent )
+    RecentView.log(organization.class.to_s, organization.id, agent)
 
     # check if list is empty
-    list = RecentView.list( agent )
-    assert( list[0]['o_id'], organization.id )
-    assert( list[0]['object'], 'Organization' )
-    assert( !list[1], 'check if recent view list is empty' )
+    list = RecentView.list(agent)
+    assert(list[0]['o_id'], organization.id)
+    assert(list[0]['object'], 'Organization')
+    assert(!list[1], 'check if recent view list is empty')
   end
 
 end