1 Test that custom properties on CSSValues of inline style declarations survive GC
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS document.body.style.getPropertyCSSValue("color").cssText is "black"
7 FAIL document.body.style.getPropertyCSSValue("color").foo should be bar (of type string). Was undefined (of type undefined).
8 PASS successfullyParsed is true