diff --git a/test/browser/admin_role_test.rb b/test/browser/admin_role_test.rb
index d670085cc..6bfda37be 100644
--- a/test/browser/admin_role_test.rb
+++ b/test/browser/admin_role_test.rb
@@ -43,6 +43,7 @@ class AdminRoleTest < TestCase
     )
 
     logout()
+    # flanky
     login(
       username: email,
       password: password,
diff --git a/test/browser/agent_ticket_online_notification_test.rb b/test/browser/agent_ticket_online_notification_test.rb
index 6e7e52ae6..084008ed8 100644
--- a/test/browser/agent_ticket_online_notification_test.rb
+++ b/test/browser/agent_ticket_online_notification_test.rb
@@ -107,6 +107,8 @@ class AgentTicketOnlineNotificationTest < TestCase
       value: 'online notification #3',
       timeout: 6,
     )
+
+    # flanky
     watch_for(
       browser: browser2,
       css: '.js-notificationsCounter',
@@ -166,6 +168,7 @@ class AgentTicketOnlineNotificationTest < TestCase
     items = browser2.find_elements(css: '.js-notificationsContainer .js-item')
     assert_equal(3, items.count)
 
+    # flanky
     items = browser2.find_elements(css: '.js-notificationsContainer .js-item.is-inactive')
     assert_equal(3, items.count)
 
diff --git a/test/browser/agent_ticket_overview_group_by_organization_test.rb b/test/browser/agent_ticket_overview_group_by_organization_test.rb
index 069595f68..b5583fa72 100644
--- a/test/browser/agent_ticket_overview_group_by_organization_test.rb
+++ b/test/browser/agent_ticket_overview_group_by_organization_test.rb
@@ -64,6 +64,7 @@ class AgentTicketOverviewGroupByOrganizationTest < TestCase
     elements = instance.find_elements(xpath: '//b[contains(text(),"äöüß & Test Organization")]')
     elements = elements.select { |x| x.text.present? }
     assert elements
+    # flanky
     assert_equal 'äöüß & Test Organization', elements.first.text
   end
 end
diff --git a/test/unit/job_test.rb b/test/unit/job_test.rb
index 9042c27cb..29873f806 100644
--- a/test/unit/job_test.rb
+++ b/test/unit/job_test.rb
@@ -185,6 +185,7 @@ class JobTest < ActiveSupport::TestCase
     end
     job1.timeplan['minutes'][min.to_s] = true
     job1.save!
+    # flanky
     assert(job1.in_timeplan?(time))
 
     job1.timeplan['hours'][time.hour] = true