{
    "status": "FAIL", 
    "group": "default", 
    "message": "assert_true: expected true got false", 
    "stack": "window.onload<@http://web-platform.test:8000/_mozilla/mozilla/window_performance_topLevelDomComplete.html:13:7\nTest.prototype.step@http://web-platform.test:8000/resources/testharness.js:1611:25\nTest.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1635:35\n", 
    "subtest": "top level dom complete", 
    "test": "/_mozilla/mozilla/window_performance_topLevelDomComplete.html", 
    "line": 210931, 
    "action": "test_result", 
    "expected": "PASS"
}