[RTCEncodedAudioFrame-metadata.https.html]
  expected:
    if (os == "android") and debug and not sessionHistoryInParent: TIMEOUT
    if (os == "mac") and debug: [OK, TIMEOUT]
    if (os == "mac") and not debug: [OK, TIMEOUT]
    if (os == "android") and not debug: [OK, TIMEOUT]
  [Constructing audio frame before sending works]
    expected: FAIL

  [Constructing audio frame with metadata argument before sending works]
    expected: FAIL

  [Constructing audio frame with bad metadata argument before sending does not work]
    expected: FAIL

  [Basic simulcast setup with three spatial layers]
    expected: FAIL