[progress-based-animation-animation-longhand-properties.tentative.html] expected: if os == "mac": [OK, TIMEOUT] [animation-delay with a positive value] expected: if os == "mac": [PASS, TIMEOUT] [animation-delay with a negative value] expected: if os == "mac": [PASS, NOTRUN] [animation-fill-mode] expected: if os == "mac": [PASS, NOTRUN]