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diff --git a/dom/media/webrtc/tests/mochitests/test_peerConnection_setParameters_oldSetParameters.html b/dom/media/webrtc/tests/mochitests/test_peerConnection_setParameters_oldSetParameters.html
new file mode 100644
index 0000000000..2b55ec46e6
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+++ b/dom/media/webrtc/tests/mochitests/test_peerConnection_setParameters_oldSetParameters.html
@@ -0,0 +1,86 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="pc.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+createHTML({
+  bug: "1230184",
+  title: "Set parameters on sender",
+  visible: true
+});
+
+function parameterstest(pc) {
+  ok(pc.getSenders().length, "have senders");
+  var sender = pc.getSenders()[0];
+
+  var testParameters = (params, errorName, errorMsg) => {
+    info("Trying to set " + JSON.stringify(params));
+
+    var validateParameters = (a, b) => {
+      var validateEncoding = (a, b) => {
+        is(a.rid, b.rid, "same rid");
+        is(a.maxBitrate, b.maxBitrate, "same maxBitrate");
+        is(a.maxFramerate, b.maxFramerate, "same maxFramerate");
+        is(a.scaleResolutionDownBy, b.scaleResolutionDownBy,
+           "same scaleResolutionDownBy");
+      };
+      is(a.encodings.length, (b.encodings || []).length, "same encodings");
+      a.encodings.forEach((en, i) => validateEncoding(en, b.encodings[i]));
+    };
+
+    var before = JSON.stringify(sender.getParameters());
+    isnot(JSON.stringify(params), before, "starting condition");
+
+    var p = sender.setParameters(params)
+    .then(() => {
+      isnot(JSON.stringify(sender.getParameters()), before, "parameters changed");
+      validateParameters(sender.getParameters(), params);
+      is(null, errorName || null, "is success expected");
+    }, e => {
+      is(e.name, errorName, "correct error name");
+      is(e.message, errorMsg, "correct error message");
+    });
+    is(JSON.stringify(sender.getParameters()), before, "parameters not set yet");
+    return p;
+  };
+
+  return [
+    [{ encodings: [ { rid: "foo", maxBitrate: 40000, scaleResolutionDownBy: 2 },
+                    { rid: "bar", maxBitrate: 10000, scaleResolutionDownBy: 4 }]
+    }],
+    [{ encodings: [{ maxBitrate: 10000, scaleResolutionDownBy: 4 }]}],
+    [{ encodings: [{ maxFramerate: 0.0, scaleResolutionDownBy: 1 }]}],
+    [{ encodings: [{ maxFramerate: 30.5, scaleResolutionDownBy: 1 }]}],
+    [{ encodings: [{ maxFramerate: -1, scaleResolutionDownBy: 1 }]}, "RangeError", "maxFramerate must be non-negative"],
+    [{ encodings: [{ maxBitrate: 40000 },
+                   { rid: "bar", maxBitrate: 10000 }] }, "TypeError", "Missing rid"],
+    [{ encodings: [{ rid: "foo", maxBitrate: 40000 },
+                   { rid: "bar", maxBitrate: 10000 },
+                   { rid: "bar", maxBitrate: 20000 }] }, "TypeError", "Duplicate rid"],
+    [{}, "TypeError", `RTCRtpSender.setParameters: Missing required 'encodings' member of RTCRtpSendParameters.`]
+  ].reduce((p, args) => p.then(() => testParameters.apply(this, args)),
+           Promise.resolve());
+}
+
+runNetworkTest(() => {
+  const test = new PeerConnectionTest();
+  test.setMediaConstraints([{video: true}], [{video: true}]);
+  test.chain.removeAfter("PC_REMOTE_WAIT_FOR_MEDIA_FLOW");
+
+  // Test sender parameters.
+  test.chain.append([
+    function PC_LOCAL_SET_PARAMETERS(test) {
+      return parameterstest(test.pcLocal._pc);
+    }
+  ]);
+
+  return test.run();
+});
+
+</script>
+</pre>
+</body>
+</html>