[idlharness.window.html]
expected:
if (os == "android") and fission: [OK, TIMEOUT]
[IntersectionObserverEntry interface object length]
expected: FAIL
[IntersectionObserver interface: observer must inherit property "thresholds" with the proper type]
expected: FAIL
[IntersectionObserver interface: attribute scrollMargin]
expected: FAIL
[IntersectionObserver interface: observer must inherit property "scrollMargin" with the proper type]
expected: FAIL