[RTCRtpParameters-transactionId.html]
  [sender.getParameters() should return different transaction IDs for each call]
    expected: FAIL

  [sender.setParameters() with transaction ID different from last getParameters() should reject with InvalidModificationError]
    expected: FAIL

  [sender.setParameters() with transaction ID unset should reject with InvalidModificationError]
    expected: FAIL

  [setParameters() twice with the same parameters should reject with InvalidModificationError]
    expected: FAIL

  [setParameters() with parameters older than last getParameters() should reject with InvalidModificationError]
    expected: FAIL