This is a testharness.js-based test.
[FAIL] Encoding 16ch Opus produces a valid OpusHead decoderConfig description.
  assert_true: 16ch Opus encoding must be supported expected true got false
[FAIL] Encoding then decoding 16ch Opus produces frames with 16 channels.
  assert_true: 16ch Opus encoding must be supported expected true got false
[FAIL] Configuring AudioDecoder with 16ch Opus without description must fail.
  promise_test: Unhandled rejection with value: object "TypeError: Failed to execute 'configure' on 'AudioDecoder': Invalid config; description is required for multi-channel Opus."
Harness: the test ran to completion.