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

Notifying @ehsan and @mkruisselbrink. *([Learn how reviewing works](https://github.com/w3c/web-platform-tests/blob/master/README.md#test-review).)*

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4944#issuecomment-281456867

Received on Tuesday, 21 February 2017 19:41:22 UTC