[window-reuse-in-nested-browsing-contexts.tentative.html]
  expected:
    if (processor == "x86") and debug: [OK, TIMEOUT]
  [after the first iframe load event, navigate iframe with no initial src.]
    expected: FAIL

  [synchronously navigate iframe with initial src == "".]
    expected: FAIL

  [after the first iframe load event, navigate iframe with initial src == "".]
    expected: FAIL

  [synchronously navigate iframe with initial src == "about:blank".]
    expected: FAIL

  [after the first iframe load event, navigate iframe with initial src == "about:blank".]
    expected: FAIL

  [synchronously navigate iframe with no initial src.]
    expected: FAIL