[RTCConfiguration-iceServers.html]
[setConfiguration(config) - with invalid stun url should throw SyntaxError]
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1529588
expected: FAIL
[new RTCPeerConnection(config) - with invalid stun url should throw SyntaxError]
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1529588
expected: FAIL
[setConfiguration(config) - with invalid turn url should throw SyntaxError]
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1529588
expected: FAIL
[new RTCPeerConnection(config) - with invalid turn url should throw SyntaxError]
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1529588
expected: FAIL