[TrustedTypePolicyFactory-constants.html]
[trustedTypes.emptyHTML returns the intended value.]
expected: FAIL
[trustedTypes.emptyHTML cannot be redefined.]
expected: FAIL
[trustedTypes.emptyHTML cannot be redefined via defineProperty.]
expected: FAIL
[trustedTypes.emptyScript returns the intended value.]
expected: FAIL
[trustedTypes.emptyScript cannot be redefined.]
expected: FAIL
[trustedTypes.emptyScript cannot be redefined via defineProperty.]
expected: FAIL