Re: [cssom-tests] Fix overflow shorthand serialization. (#4724)

These tests will be available shortly on [w3c-test.org](https://w3c-test.org/submissions/4724/).


* [cssom/overflow-serialization.html](https://w3c-test.org/submissions/4724/cssom/overflow-serialization.html)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4724#issuecomment-277644049

Received on Monday, 6 February 2017 10:34:12 UTC