Bug 1231414 - Part 2: Mark some wpt as expected to succeed. r=jib

Depends on D19841

Differential Revision: https://phabricator.services.mozilla.com/D19842

--HG--
extra : moz-landing-system : lando

testing/web-platform/meta/webrtc/RTCPeerConnection-addTrack.https.html.ini

@@ -1,22 +0,0 @@
-[RTCPeerConnection-addTrack.https.html]
-  [addTrack with single track argument and no mediaStream should succeed]
-    expected: FAIL
-
-  [addTrack with existing sender with null track, same kind, and recvonly direction should reuse sender]
-    expected: FAIL
-
-  [addTrack with existing sender with null track, same kind, and sendrecv direction should create new sender]
-    expected: FAIL
-
-  [addTrack with existing sender with null track, different kind, and recvonly direction should create new sender]
-    expected: FAIL
-
-  [addTrack with single track argument and no stream should succeed]
-    expected: FAIL
-
-  [addTrack with existing sender that has not been used to send should reuse the sender]
-    expected: FAIL
-
-  [addTrack with existing sender that has been used to send should create new sender]
-    expected: FAIL
-

testing/web-platform/meta/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html.ini

@@ -13,7 +13,3 @@
 
   [addTrack() with a track and a stream makes ontrack fire with a track and a stream.]
     expected: FAIL
-
-  [removeTrack() twice is safe.]
-    expected: FAIL
-

testing/web-platform/meta/webrtc/RTCPeerConnection-transceivers.https.html.ini

@@ -5,11 +5,5 @@
   [addTransceiver(track, init): initialize sendEncodings\[0\].active to false]
     expected: FAIL
 
-  [addTrack(0 streams): ontrack fires with no stream]
-    expected: FAIL
-
-  [addTrack(2 streams): ontrack fires with corresponding two streams]
-    expected: FAIL
-
   [Closing the PC stops the transceivers]
     expected: FAIL

testing/web-platform/meta/webrtc/RTCRtpSender-transport.https.html.ini

@@ -8,9 +8,6 @@
   [RTCRtpSender/receiver.transport at the right time, with bundle policy max-compat]
     expected: FAIL
 
-  [RTCRtpSender/receiver.transport has a value when connected]
-    expected: FAIL
-
   [RTCRtpSender.transport is null when unconnected]
     expected: FAIL
 

testing/web-platform/meta/webrtc/idlharness.https.window.js.ini

@@ -119,9 +119,6 @@
   [RTCIceCandidate interface: attribute relatedPort]
     expected: FAIL
 
-  [RTCPeerConnection interface: operation addTrack(MediaStreamTrack, MediaStream)]
-    expected: FAIL
-
   [RTCPeerConnection interface: new RTCPeerConnection() must inherit property "sctp" with the proper type]
     expected: FAIL
 

testing/web-platform/meta/webrtc/protocol/missing-fields.html.ini

@@ -1,7 +0,0 @@
-[missing-fields.html]
-  [Offer description with no mid is accepted]
-    expected: FAIL
-
-  [Answer description with no mid is accepted]
-    expected: FAIL
-