Re: [web-animations-tests] Modify animation in order to support null timeline. (#3139)

Critic review: https://critic.hoppipolla.co.uk/r/6601

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View on GitHub: https://github.com/w3c/web-platform-tests/pull/3139#issuecomment-224886167

Received on Thursday, 9 June 2016 12:57:13 UTC