CONSOLE MESSAGE: SecurityError: Sandbox access violation: Blocked a frame at "http://127.0.0.1:8000" from accessing a cross-origin frame.  The frame requesting access is sandboxed and lacks the "allow-same-origin" flag.
This test verifies that sandboxed iframe prevents cross-domain script access. It will print "PASS" on success.


PASS: cross-domain script access disallowed from sandboxed iframe