Intermittent failure in /html/browsers/history/the-history-interface/007.html

[jdm]

  ▶ Unexpected subtest result in /html/browsers/history/the-history-interface/007.html:
  │ FAIL [expected PASS] the correct state should be restored when navigating during initial load
  │   → assert_equals: expected (string) "state1" but got (boolean) false
  │ 
  │ window.onload/<@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:35:5
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1538:20
  │ test@http://web-platform.test:8000/resources/testharness.js:548:9
  └ window.onload@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:34:3

  ▶ Unexpected subtest result in /html/browsers/history/the-history-interface/007.html:
  │ FAIL [expected PASS] history.state should reflect the navigated state onload
  │   → assert_equals: expected "state1" but got "state2"
  │ 
  │ window.onload/<@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:38:5
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1538:20
  │ test@http://web-platform.test:8000/resources/testharness.js:548:9
  └ window.onload@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:37:3

  ▶ Unexpected subtest result in /html/browsers/history/the-history-interface/007.html:
  │ FAIL [expected PASS] popstate event should fire before onload fires
  │   → assert_true: expected true got false
  │ 
  │ window.onload/<@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:32:5
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1538:20
  │ test@http://web-platform.test:8000/resources/testharness.js:548:9
  └ window.onload@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:31:3

  ▶ Unexpected subtest result in /html/browsers/history/the-history-interface/007.html:
  │ FAIL [expected PASS] popstate event should not fire after onload fires
  │   → assert_false: expected false got true
  │ 
  │ window.onload/</<@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:43:7
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1538:20
  │ test@http://web-platform.test:8000/resources/testharness.js:548:9
  └ window.onload/<@http://web-platform.test:8000/html/browsers/history/the-history-interface/007.html:42:5