diff --git a/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabled.html b/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabled.html
index 1b1f11d47738..54142aeb77a4 100644
--- a/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabled.html
+++ b/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabled.html
@@ -1,42 +1,42 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
-</head>
-<body>
-<pre id="test">
-<script type="application/javascript">
-  createHTML({
-    title: "getUserMedia with Cubeb Disabled Test",
-    bug: "1443525"
-  });
-  /**
-   * Run a test to verify we fail gracefully if we cannot fetch a cubeb context
-   * during a gUM call.
-   */
-  runTest(async function () {
-    info("Get user media with cubeb disabled starting");
-    // Push prefs to ensure no cubeb context and no fake streams.
-    await pushPrefs(["media.cubeb.force_null_context", true],
-                    ["media.navigator.permission.device", false],
-                    ["media.navigator.streams.fake", false]);
-
-    // Request audio only, to avoid cams
-    let constraints = {audio: true, video: false};
-    let stream;
-    try {
-      stream = await getUserMedia(constraints);
-    } catch (e) {
-      // We've got no audio backend, so we expect gUM to fail.
-      ok(e.name == "NotFoundError", "Expected NotFoundError due to no audio tracks!");
-      return;
-    }
-    // If we're not on android we should not have gotten a stream without a cubeb context!
-    ok(false, "getUserMedia not expected to succeed when cubeb is disabled, but it did!");
-  });
-
-
-</script>
-</pre>
-</body>
-</html>
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+  createHTML({
+    title: "getUserMedia with Cubeb Disabled Test",
+    bug: "1443525"
+  });
+  /**
+   * Run a test to verify we fail gracefully if we cannot fetch a cubeb context
+   * during a gUM call.
+   */
+  runTest(async function () {
+    info("Get user media with cubeb disabled starting");
+    // Push prefs to ensure no cubeb context and no fake streams.
+    await pushPrefs(["media.cubeb.force_null_context", true],
+                    ["media.navigator.permission.device", false],
+                    ["media.navigator.streams.fake", false]);
+
+    // Request audio only, to avoid cams
+    let constraints = {audio: true, video: false};
+    let stream;
+    try {
+      stream = await getUserMedia(constraints);
+    } catch (e) {
+      // We've got no audio backend, so we expect gUM to fail.
+      ok(e.name == "NotFoundError", "Expected NotFoundError due to no audio tracks!");
+      return;
+    }
+    // If we're not on android we should not have gotten a stream without a cubeb context!
+    ok(false, "getUserMedia not expected to succeed when cubeb is disabled, but it did!");
+  });
+
+
+</script>
+</pre>
+</body>
+</html>
diff --git a/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabledFakeStreams.html b/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabledFakeStreams.html
index cb4d2c2725d8..f8150cc4c10b 100644
--- a/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabledFakeStreams.html
+++ b/dom/media/webrtc/tests/mochitests/test_getUserMedia_cubebDisabledFakeStreams.html
@@ -1,43 +1,43 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
-</head>
-<body>
-<pre id="test">
-<script type="application/javascript">
-  createHTML({
-    title: "getUserMedia fake stream with Cubeb Disabled Test",
-    bug: "1443525"
-  });
-  /**
-   * Run a test to verify we can still return a fake stream even if we cannot
-   * get a cubeb context. See also Bug 1434477
-   */
-  runTest(async function () {
-    info("Get user media with cubeb disabled and fake tracks starting");
-    // Push prefs to ensure no cubeb context and fake streams
-    await pushPrefs(["media.cubeb.force_null_context", true],
-                    ["media.navigator.streams.fake", true],
-                    ['media.audio_loopback_dev', '']);
-    let testAudio = createMediaElement('audio', 'testAudio');
-    // Request audio only, to avoid cams
-    let constraints = {audio: true, video: false};
-    let stream;
-    try {
-      stream = await getUserMedia(constraints);
-    } catch (e) {
-      // We've got no audio backend, so we expect gUM to fail
-      ok(false, `Did not expect to fail, but got ${e}`);
-      return;
-    }
-    ok(stream, "getUserMedia should get a stream!");
-    let playback = new MediaStreamPlayback(testAudio, stream);
-    return playback.playMedia(false);
-  });
-
-
-</script>
-</pre>
-</body>
-</html>
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+  createHTML({
+    title: "getUserMedia fake stream with Cubeb Disabled Test",
+    bug: "1443525"
+  });
+  /**
+   * Run a test to verify we can still return a fake stream even if we cannot
+   * get a cubeb context. See also Bug 1434477
+   */
+  runTest(async function () {
+    info("Get user media with cubeb disabled and fake tracks starting");
+    // Push prefs to ensure no cubeb context and fake streams
+    await pushPrefs(["media.cubeb.force_null_context", true],
+                    ["media.navigator.streams.fake", true],
+                    ['media.audio_loopback_dev', '']);
+    let testAudio = createMediaElement('audio', 'testAudio');
+    // Request audio only, to avoid cams
+    let constraints = {audio: true, video: false};
+    let stream;
+    try {
+      stream = await getUserMedia(constraints);
+    } catch (e) {
+      // We've got no audio backend, so we expect gUM to fail
+      ok(false, `Did not expect to fail, but got ${e}`);
+      return;
+    }
+    ok(stream, "getUserMedia should get a stream!");
+    let playback = new MediaStreamPlayback(testAudio, stream);
+    return playback.playMedia(false);
+  });
+
+
+</script>
+</pre>
+</body>
+</html>
diff --git a/dom/media/webrtc/tests/mochitests/test_peerConnection_threeUnbundledConnections.html b/dom/media/webrtc/tests/mochitests/test_peerConnection_threeUnbundledConnections.html
index 2b6f06e6d612..d7638746fbe7 100644
--- a/dom/media/webrtc/tests/mochitests/test_peerConnection_threeUnbundledConnections.html
+++ b/dom/media/webrtc/tests/mochitests/test_peerConnection_threeUnbundledConnections.html
@@ -112,7 +112,7 @@ runNetworkTest(async () => {
     const answerVideo = await pc2.createAnswer();
     const answerAudio = await pc3.createAnswer();
 
-    const answer = combineAnswer(answerAudio, combineAnswer(answerVideo, {})); 
+    const answer = combineAnswer(answerAudio, combineAnswer(answerVideo, {}));
     const fakeAnswer = answer.sessionSection.concat(answer.audioMsection, answer.videoMsection).join('\r\n');
     info("ANSWER: " + fakeAnswer);
 
