This test checks that a rule with an invalid value does not halt other style rules from being applied.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS document.getElementById('test-invalid-rule').style.getPropertyValue('color') is 'rgb(0, 128, 0)'
PASS successfullyParsed is true

TEST COMPLETE

