Bug 1485727 [wpt PR 12645] - HTML: more tests for document.open bailout order, a=testonly

Automatic update from web-platform-testsHTML: more tests for document.open bailout order (#12645)

A continuation of web-platform-tests/wpt#12240, but
this treats cases when two bailout criteria compete against each other.

See whatwg/html#3818.
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wpt-commits: 45d82ab6c8893eab5a8f50aedfc20af81679cb10
wpt-pr: 12645

UltraBlame original commit: 0585d2064f4944eb21522699451509fb4e682ca5

Author: marco-c