{
    "status": "TIMEOUT", 
    "group": "default", 
    "message": "Test timed out", 
    "stack": null, 
    "subtest": "page-created Error (cross-site iframe)", 
    "test": "/html/infrastructure/safe-passing-of-structured-data/structured-cloning-error-stack-optional.sub.window.html", 
    "line": 331210, 
    "action": "test_result", 
    "expected": "FAIL"
}
{
    "status": "TIMEOUT", 
    "group": "default", 
    "message": "Test timed out", 
    "stack": null, 
    "subtest": "JS-engine-created TypeError (cross-site iframe)", 
    "test": "/html/infrastructure/safe-passing-of-structured-data/structured-cloning-error-stack-optional.sub.window.html", 
    "line": 331214, 
    "action": "test_result", 
    "expected": "FAIL"
}
{
    "status": "TIMEOUT", 
    "group": "default", 
    "message": null, 
    "stack": null, 
    "subtest": null, 
    "test": "/html/infrastructure/safe-passing-of-structured-data/structured-cloning-error-stack-optional.sub.window.html", 
    "line": 331219, 
    "action": "test_result", 
    "expected": "OK"
}