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diff --git a/dom/media/webrtc/tests/mochitests/test_peerConnection_renderAfterRenegotiation.html b/dom/media/webrtc/tests/mochitests/test_peerConnection_renderAfterRenegotiation.html
new file mode 100644
index 0000000000..07443431d2
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+++ b/dom/media/webrtc/tests/mochitests/test_peerConnection_renderAfterRenegotiation.html
@@ -0,0 +1,92 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="pc.js"></script>
+  <script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+  createHTML({
+    bug: "1273652",
+    title: "Video receiver still renders after renegotiation",
+    visible: true
+  });
+
+  var pc1 = new RTCPeerConnection();
+  var pc2 = new RTCPeerConnection();
+
+  var add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed);
+  pc1.onicecandidate = e => add(pc2, e.candidate, generateErrorCallback());
+  pc2.onicecandidate = e => add(pc1, e.candidate, generateErrorCallback());
+
+  var v1, v2;
+  var delivered = new Promise(resolve => pc2.ontrack = e => {
+    // Test RTCTrackEvent here.
+    ok(e.streams.length > 0, "has streams");
+    ok(e.streams[0].getTrackById(e.track.id), "has track");
+    ok(pc2.getReceivers().some(receiver => receiver == e.receiver), "has receiver");
+    if (e.streams[0].getTracks().length == 1) {
+      // Test RTCTrackEvent required args here.
+      mustThrowWith("RTCTrackEvent wo/required args",
+                    "TypeError", () => new RTCTrackEvent("track", {}));
+      v2.srcObject = e.streams[0];
+      resolve();
+    }
+  });
+
+  runNetworkTest(async () => {
+    // [TODO] re-enable HW decoder after bug 1526207 is fixed.
+    if (navigator.userAgent.includes("Android")) {
+      await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false]);
+      await pushPrefs(["media.webrtc.hw.h264.enabled", false]);
+    }
+
+    v2 = createMediaElement('video', 'v2');
+    is(v2.currentTime, 0, "v2.currentTime is zero at outset");
+
+    const emitter = new VideoFrameEmitter(CaptureStreamTestHelper.prototype.blue,
+                                          CaptureStreamTestHelper.prototype.green,
+                                          10, 10);
+    emitter.start();
+    emitter.stream().getTracks().forEach(t => pc1.addTrack(t, emitter.stream()));
+    let h = emitter.helper();
+
+    pc1.createOffer({})
+    .then(offer => pc1.setLocalDescription(offer))
+    .then(() => pc2.setRemoteDescription(pc1.localDescription))
+    .then(() => pc2.createAnswer({}))  // check that createAnswer accepts arg.
+    .then(answer => pc2.setLocalDescription(answer))
+    .then(() => pc1.setRemoteDescription(pc2.localDescription))
+
+    // re-negotiate to trigger the race condition in the jitter buffer
+    .then(() => pc1.createOffer({})) // check that createOffer accepts arg.
+    .then(offer => pc1.setLocalDescription(offer))
+    .then(() => pc2.setRemoteDescription(pc1.localDescription))
+    .then(() => pc2.createAnswer({}))
+    .then(answer => pc2.setLocalDescription(answer))
+    .then(() => pc1.setRemoteDescription(pc2.localDescription))
+    .then(() => delivered)
+
+    // now verify that actually something gets rendered into the remote video
+    // element.
+    .then(() => h.pixelMustBecome(v2, h.blue, {
+      threshold: 128,
+      infoString: "pcRemote's video should become blue",
+    }))
+    // This will verify that new changes to the canvas propagate through
+    // the peerconnection
+    .then(() => {
+      emitter.colors(h.red, h.green)
+    })
+    .then(() => h.pixelMustBecome(v2, h.red, {
+      threshold: 128,
+      infoString: "pcRemote's video should become red",
+    }))
+    .catch(reason => ok(false, "unexpected failure: " + reason))
+    .then(networkTestFinished);
+  });
+</script>
+</pre>
+</body>
+</html>