CONSOLE MESSAGE: line 4: Feature policy 'Camera' check failed for iframe with origin 'http://localhost:8000' and allow attribute ''.
CONSOLE MESSAGE: line 4: Feature policy 'Microphone' check failed for iframe with origin 'http://localhost:8000' and allow attribute ''.
CONSOLE MESSAGE: line 4: Not allowed to call enumerateDevices.
      
PASS: "allow" attribute respected in all iframes