This is a testharness.js-based test.
[FAIL] Test that setActionHandler("togglescreenshare") succeeds
  Failed to execute 'setActionHandler' on 'MediaSession': The provided value 'togglescreenshare' is not a valid enum value of type MediaSessionAction.
[FAIL] Test that setActionHandler("voiceactivity") succeeds
  Failed to execute 'setActionHandler' on 'MediaSession': The provided value 'voiceactivity' is not a valid enum value of type MediaSessionAction.
Harness: the test ran to completion.