Fixes transient failure in create_issue_spec.rb

What does this MR do?

Fixes transient failure in create_issue_spec.rb by using retry_on_expection Also refactors retry_on_expection into a separate module.

EE port MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/9603

What are the relevant issue numbers?

Closes https://gitlab.com/gitlab-org/quality/nightly/issues/79

Does this MR meet the acceptance criteria?

• [-] Changelog entry added, if necessary
• [-] Documentation created/updated via this MR
• [-] Documentation reviewed by technical writer or follow-up review issue created
• [-] Tests added for this feature/bug
• [-] Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• [-] Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
• [-] Security reports checked/validated by reviewer

qa/qa/page/project/issue/show.rb

@@ -37,18 +37,25 @@ def comment(text, attachment: nil)
           end
 
           def select_comments_only_filter
-            click_element :discussion_filter
-            find_element(:filter_options, "Show comments only").click
+            select_filter_with_text('Show comments only')
           end
 
           def select_history_only_filter
-            click_element :discussion_filter
-            find_element(:filter_options, "Show history only").click
+            select_filter_with_text('Show history only')
           end
 
           def select_all_activities_filter
-            click_element :discussion_filter
-            find_element(:filter_options, "Show all activity").click
+            select_filter_with_text('Show all activity')
+          end
+
+          private
+
+          def select_filter_with_text(text)
+            retry_on_exception do
+              click_body
+              click_element :discussion_filter
+              find_element(:filter_options, text).click
+            end
           end
         end
       end