▶ TIMEOUT /IndexedDB/idbobjectstore_delete.any.worker.html
  │   ▶ FAIL [expected PASS] delete() key doesn't match any records
  │   │   → assert_unreached: unexpected open.success event Reached unreachable code
  │   │ 
  │   │ auto_fail/</<@http://web-platform.test:8000/IndexedDB/resources/support.js:59:37
  │   │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
  └   └ auto_fail/<@http://web-platform.test:8000/IndexedDB/resources/support.js:57:18