| This is a testharness.js-based test. | |
| FAIL Perfect negotiation stress glare Failed to execute 'addTransceiver' on 'RTCPeerConnection': This operation is only supported in 'unified-plan'. | |
| FAIL Perfect negotiation stress glare with roles reversed Failed to execute 'addTransceiver' on 'RTCPeerConnection': This operation is only supported in 'unified-plan'. | |
| Harness: the test ran to completion. | |