[iframe_sandbox_anchor_download_block_downloads.tentative.html]
  expected:
    if (os == "linux") and not fission and not debug and (processor == "x86_64"): [OK, TIMEOUT]
  [<a download> triggered download in sandbox is blocked.]
    expected:
      if os == "android": FAIL

  [<a download> triggered download in sandbox is blocked before a request is made.]
    expected: FAIL

  [<a > triggered download in sandbox is blocked.]
    expected:
      if os == "android": FAIL

  [<a target="_blank" > triggered download in sandbox is blocked.]
    expected:
      if os == "android": FAIL

  [<a target="_blank" rel="noopener" > triggered download in sandbox is blocked.]
    expected:
      if os == "android": FAIL
