[CE] Improve `wait_for_push`
What does this MR do?
Uses the Events API to wait for pushes to be completed.
Makes Resource::Repository::ProjectPush
wait for push by default so most tests don't need to call it.
EE MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8986
What are the relevant issue numbers?
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/53308
Does this MR meet the acceptance criteria?
- [-] Changelog entry added, if necessary
- [-] Documentation created/updated
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Tests added for this feature/bug - [-] Tested in all supported browsers
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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
Edited by Mark Lapierre