).length, 0,
                 'PC2 transceivers should be invisible after negotiation');
    assert_equals(pc2.iceGatheringState, 'new');
    await pc2waiter;
    await pc1.setRemoteDescription(pc2.localDescription);
    assert_equals(pc1.getTransceivers().length, 0,
                  'PC1 transceivers should be invisible after negotiation');
    assert_equals(pc1.iceGatheringState, 'new');
    await pc1waiter;
  }, 'renegotiation that closes all transports should result in ICE gathering state "new"');

  /