Remove useless attachToDocument usage in spec/frontend/diffs
What does this MR do?
As described in &2419 (closed), cleans up our Jest tests from unnecessary attachToDocument
usage
Involved specs
-
spec/frontend/diffs/components/compare_versions_spec.js -
spec/frontend/diffs/components/diff_file_header_spec.js -
spec/frontend/diffs/components/diff_gutter_avatars_spec.js -
spec/frontend/diffs/components/edit_button_spec.js
Conformity
Availability and Testing
-
Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
Closes: #196755 (closed)