Merge branch 'qa-group-iterations-spec-fix' into 'master'

Separate iteration tests into their own groups

Closes #249173

See merge request gitlab-org/gitlab!42262

qa/qa/ee/resource/group_iteration.rb

@@ -9,7 +9,9 @@ module QA
         attr_accessor :title
 
         attribute :group do
-          QA::Resource::Group.fabricate_via_api!
+          QA::Resource::Group.fabricate_via_api! do |group|
+            group.path = "group-to-test-iterations-#{SecureRandom.hex(8)}"
+          end
         end
 
         attribute :id