implementation-status: backlog
[autoplay-allowed-by-feature-policy-attribute.https.sub.html]
  expected:
    if os == "mac": [OK, TIMEOUT]
  [Feature policy "autoplay" can be enabled in cross-origin iframe using allow="autoplay" attribute]
    expected:
      if os == "mac": [PASS, TIMEOUT]

  [Feature policy "autoplay" can be enabled in same-origin iframe using allow="autoplay" attribute]
    expected:
      if os == "mac": [PASS, TIMEOUT]