[at-container-style-serialization.html]
expected:
if (os == "android") and fission: [OK, TIMEOUT]
[Normalize spaces]
expected: FAIL
[Empty declaration value - spaces]
expected: FAIL
[Empty declaration value]
expected: FAIL
[Unknown CSS property after 'or']
expected: FAIL
[Original string number in custom property value]
expected: FAIL
[No declaration value]
expected: FAIL