Merge branch 'g352343-prolong-wait' into 'master'

Adds a 10s sleep to the pipeline to give test enough time

See merge request gitlab-org/gitlab!82243

qa/qa/specs/features/ee/browser_ui/4_verify/new_discussion_not_dropping_merge_trains_mr_spec.rb

@@ -73,7 +73,9 @@ module QA
                         test_merge_train:
                           tags:
                             - #{executor}
-                          script: echo 'OK!'
+                          script:
+                          - sleep 10
+                          - echo 'OK!'
                           only:
                             - merge_requests
                       YAML