Re: [infra-tests] Update travis status before optional jobs are finished. (#5639)

I've used this configuration in my own projects, but I still watched this build
just to be sure.

![screenshot from 2017-04-21 14-37-47](https://cloud.githubusercontent.com/assets/677252/25291518/64ecf7ca-26a0-11e7-85d2-9d4f26faf09f.png)

And subsequently

![screenshot from 2017-04-21 14-38-04](https://cloud.githubusercontent.com/assets/677252/25291529/6d6e806c-26a0-11e7-9b06-fe20008a3bd6.png)

Looking good!

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5639#issuecomment-296270566

Received on Friday, 21 April 2017 18:40:44 UTC