For the expectations 'FAIL' means the same than 'TEXT', 'IMAGE+TEXT' or 'AUDIO'

  * We should mark the test as green also when the result is one of
    'TEXT' 'IMAGE+TEXT' or 'AUDIO', and 'FAIL' is on the expectation

  * This is defined on:
    $WebKit/Tools/Scripts/webkitpy/layout_tests/models/test_expectations.py