[required-document-policy.html]
expected:
if (os == "android") and fission: [OK, TIMEOUT]
[Any unrelated policy directives should combine with the parent's required policy.]
expected: FAIL
[Child frame may have a stricter policy than the parent.]
expected: FAIL
[Child frame with no explicit policy should have the same required policy as its parent.]
expected: FAIL
[Child frame with a less strict required policy should have the stricter value from the parent's policy applied.]
expected: FAIL