Re: [service-workers-tests] fetch-event.https.html: Fix asserts mistakenly outside the promise chain (#5605)

Looks like the Chrome startup problem @foolip @jugglinmike 

```
PROCESS | 7765 | Starting ChromeDriver 2.29.461571 (8a88bbe0775e2a23afda0ceaf2ef7ee74e822cc5) on port 4449
PROCESS | 7765 | Only local connections are allowed.
u'log' (u'debug', {'message': 'Hanging up on Selenium session'})
u'runner_teardown' ()
PROCESS | 7960 | Starting ChromeDriver 2.29.461571 (8a88bbe0775e2a23afda0ceaf2ef7ee74e822cc5) on port 4450
PROCESS | 7960 | Only local connections are allowed.
```

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5605#issuecomment-295366570

Received on Wednesday, 19 April 2017 17:55:35 UTC