Tests use of USVString in CSSStyleDeclaration. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS declaration.getPropertyValue('animation-name') is "abc�def�ghi" PASS declaration.cssText.includes(REPLACED) is true PASS declaration.removeProperty('animation-name') is "abc�def�ghi" PASS successfullyParsed is true TEST COMPLETE