This is a testharness.js-based test. PASS Element.animate() should be exposed. FAIL Animation constructor should not be exposed without experimental web platform features enabled. This test is expected to fail in LayouTests/webexposed. assert_false: expected false got true FAIL Timeline should not be exposed without experimental web platform features enabled. This test is expected to fail in LayouTests/webexposed. assert_false: expected false got true FAIL document.timeline should not be exposed without experimental web platform features enabled. This test is expected to fail in LayouTests/webexposed. assert_false: expected false got true FAIL Timing should not be exposed without experimental web platform features enabled. This test is expected to fail in LayouTests/webexposed. assert_false: expected false got true FAIL TimedItem should not be exposed without experimental web platform features enabled. This test is expected to fail in LayouTests/webexposed. assert_false: expected false got true Harness: the test ran to completion.