Merge branch 'qa-make-e2e-group-milestone-name-unique' into 'master'

Make e2e group milestone name unique

See merge request gitlab-org/gitlab!80828

qa/qa/resource/group_milestone.rb

@@ -14,7 +14,7 @@ module QA
 
       attribute :group do
         Group.fabricate_via_api! do |resource|
-          resource.name = 'group-with-milestone'
+          resource.name = "group-with-milestone-#{SecureRandom.hex(4)}"
         end
       end