[streams] Fixed typo in readable-stream tests (#285)

Just  small typo in the tests.
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/streams/pull/285

-- Commit Summary --

  * Fixed typo in readable-stream tests

-- File Changes --

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

-- Patch Links --

https://github.com/whatwg/streams/pull/285.patch
https://github.com/whatwg/streams/pull/285.diff

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Reply to this email directly or view it on GitHub:
https://github.com/whatwg/streams/pull/285