gfm_auto_complete_spec.js is failing in master (Test took too long)

FAIL spec/frontend/gfm_auto_complete_spec.js (6.861s)
  ● GfmAutoComplete › labels › with no labels assigned › ~ shows 4 labels

    Test took too long (319ms > 300ms)!

      16 |   const elapsedTimeInMs = Date.now() - testStartTime;
      17 |   if (elapsedTimeInMs > testTimeoutInMs) {
    > 18 |     throw new Error(`Test took too long (${elapsedTimeInMs}ms > ${testTimeoutInMs}ms)!`);
         |           ^
      19 |   }
      20 | });
      21 | 

      at Object.<anonymous> (spec/frontend/test_setup.js:18:11)

(https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/170163386)