Flaky Notes Karma test (spec/javascripts/notes_spec.js)

Job #193716076 failed for 9d7ff90d:

FAILED TESTS:
  Notes
    postComment & updateComment
      ✖ should show flash error message when comment failed to be updated
        Chrome
      Failed: Test is running too long!
          at webpack:///builds/gitlab-org/gitlab-ce/spec/javascripts/test_bundle.js:113 <- spec/javascripts/test_bundle.bundle.js:1117521:10

Job #198218908 failed for 5d129a4a:

FAILED TESTS:
  Notes
    update comment with script tags
      ✖ should not render a script tag
        Chrome
      Failed: Test is running too long!
          at webpack:///builds/gitlab-org/gitlab-ce/spec/javascripts/test_bundle.js:113 <- spec/javascripts/test_bundle.bundle.js:1120106:10

Job #204857153 failed for https://gitlab.com/gitlab-org/gitlab-ee/commit/02877eeaf1d45fd300de1ba8fcfe62890ad7bae8:

SUMMARY:
✔ 8653 tests completed
✖ 2 tests failed

FAILED TESTS:
  Notes
    postComment & updateComment
      ✖ should show flash error message when comment failed to be updated
        Chrome
      Failed: Test is running too long!
          at webpack:///builds/gitlab-org/gitlab-ee/spec/javascripts/test_bundle.js:113 <- spec/javascripts/test_bundle.bundle.js:1984152:10

    postComment with Slash commands
      ✖ should remove slash command placeholder when comment with slash commands is done posting
        Chrome
      Expected 'foofoo' to equal 'foo'.
          at webpack:///builds/gitlab-org/gitlab-ee/spec/javascripts/notes_spec.js:576 <- spec/javascripts/test_bundle.bundle.js:1948276:65

TOTAL: 2 FAILED, 8653 SUCCESS