Re: [service-workers-tests] [service-workers] Correct test cleanup logic (#4944)

 [View the complete job log.](https://travis-ci.org/w3c/web-platform-tests/jobs/203937684)

# Firefox (nightly channel) #
Testing web-platform-tests at revision 4a3d844c05804bd4ac03a9fdd877aba82b6d6bd2
Using browser at version BuildID 20170220215957; SourceStamp d0462b0948e0b1147dcce615bddcc46379bdadb2
Starting 10 test iterations
All results were stable
## All results ##
<details>
<summary>1 test ran</summary>
<details>
<summary><a href="https://w3c-test.org/submissions/4944/service-workers/service-worker/request-end-to-end.https.html">/service-workers/service-worker/request-end-to-end.https.html</a></summary>


|        Subtest        | Results |
|-----------------------|---------|
|                       | OK      |
| `Request: end-to-end` | PASS    |

</details>
</details>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4944#issuecomment-281459543

Received on Tuesday, 21 February 2017 19:50:23 UTC