[annotation-protocol-tests] Fix some nits in annotation protocol tests (#4086)

CR testers reported that the order of arguments was wrong when checking for use of https.

They also reported that an exception was thrown when an OPTIONS request returned no Content-Type header

@azaroth42 and @BigBlueHat please review and verify these changes so we can merge them up.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4086

Received on Wednesday, 26 October 2016 14:29:47 UTC