[sandbox-top-navigation-grandchild-sandboxed-escalate.tentative.sub.window.html]
  expected:
    if (os == "linux") and fission and debug and not swgl: [OK, TIMEOUT]
    if (os == "win") and not debug and (processor == "x86"): [OK, TIMEOUT]
    if (processor == "x86_64") and (os == "linux") and swgl and fission: [OK, TIMEOUT]
    if (processor == "x86") and debug: [OK, CRASH]
    if (processor == "x86_64") and (os == "linux") and fission and not debug: [OK, TIMEOUT]
  [A sandboxed same-origin grandchild without allow-same-origin can't     escalate its own top-nav privileges]
    expected:
      if (os == "linux") and fission and debug and not swgl: [FAIL, TIMEOUT]
      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT]
      if fission and swgl and (os == "linux"): [FAIL, TIMEOUT]
      if fission and (os == "linux") and not debug: [FAIL, TIMEOUT]
      FAIL