[RTCRtpReceiver-getStats.https.html]
[receiver.getStats() should work on a stopped transceiver but not have inbound-rtp objects]
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1879605
expected: FAIL
[receiver.getStats() should work with a closed PeerConnection but not have inbound-rtp objects]
expected:
if (os == "linux") and debug and not fission: [PASS, FAIL]