[iframe_sandbox_navigation_download_block_downloads.sub.tentative.html]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [Navigation resulted download in sandbox is blocked.]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]
      if os == "android": FAIL

  [Navigation resulted download in sandbox from <object> is blocked.]
    expected:
      if os == "android": FAIL