Move shared examples to their correct location and remove duplicates
EE MR for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12488.
What does this MR do?
This moves a shared example file to its correct location.
Why was this MR needed?
Because this file is duplicated in EE, and not in its correct place in CE.
Closes gitlab-org/gitlab-ee#2759.