[streams] Fixed cancel test on errored stream (#274)

I think the description of that test is confusing if you read what it is really checking, that the promise is rejected with the passed error.
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/streams/pull/274

-- Commit Summary --

  * Fixed cancel test on errored stream

-- File Changes --

    M reference-implementation/test/readable-stream-cancel.js (2)

-- Patch Links --

https://github.com/whatwg/streams/pull/274.patch
https://github.com/whatwg/streams/pull/274.diff

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Reply to this email directly or view it on GitHub:
https://github.com/whatwg/streams/pull/274