Re: [geolocation-API-tests] Cleanup testharness-related code (#5559)

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Review status: all files reviewed at latest revision, 1 unresolved discussion.

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*Comments from [Reviewable](https://reviewable.io:443/reviews/w3c/web-platform-tests/5559#-:-KhdJuyvkkc0366-IzbT:bnfp4nl)*
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View on GitHub: https://github.com/w3c/web-platform-tests/pull/5559#issuecomment-294032695

Received on Thursday, 13 April 2017 21:59:25 UTC