[sandbox-top-navigation-grandchild-unsandboxed-inherit.tentative.sub.window.html]
  expected:
    if (os == "linux") and not fission and debug: [OK, CRASH]
    if (os == "win") and not debug: [OK, TIMEOUT]
    if (os == "mac") and debug: [OK, TIMEOUT]
    if (os == "linux") and fission: [OK, TIMEOUT]
  [An unsandboxed grandchild inherits its parents ability to navigate top.]
    expected:
      if (os == "win") and not debug: [PASS, TIMEOUT]
      if (os == "mac") and debug: [PASS, TIMEOUT]
      if (os == "linux") and fission: [PASS, TIMEOUT]