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diff --git a/dom/worklet/tests/test_audioWorkletGlobalScopeRegisterProcessor.html b/dom/worklet/tests/test_audioWorkletGlobalScopeRegisterProcessor.html
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+++ b/dom/worklet/tests/test_audioWorkletGlobalScopeRegisterProcessor.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for AudioWorklet</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript" src="common.js"></script>
+</head>
+<body>
+
+<script type="application/javascript">
+
+function configureTest() {
+
+  var expected_errors = [
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: Argument 2 is not a constructor.",
+    "NotSupportedError: AudioWorkletGlobalScope.registerProcessor: Argument 1 should not be an empty string.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: Argument 2 is not an object.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: Element 0 in parameterDescriptors can't be converted to a dictionary.",
+    "NotSupportedError: AudioWorkletGlobalScope.registerProcessor: Argument 1 is invalid: a class with the same name is already registered.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: Missing required 'name' member of AudioParamDescriptor.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: 'defaultValue' member of AudioParamDescriptor is not a finite floating-point value.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: 'minValue' member of AudioParamDescriptor is not a finite floating-point value.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: 'maxValue' member of AudioParamDescriptor is not a finite floating-point value.",
+    "NotSupportedError: AudioWorkletGlobalScope.registerProcessor: Duplicated name \"test\" in parameterDescriptors.",
+    "TypeError: AudioWorkletGlobalScope.registerProcessor: Element 0 in parameterDescriptors can't be converted to a dictionary.",
+    "InvalidStateError: AudioWorkletGlobalScope.registerProcessor: In parameterDescriptors, test defaultValue is out of the range defined by minValue and maxValue.",
+    "InvalidStateError: AudioWorkletGlobalScope.registerProcessor: In parameterDescriptors, test defaultValue is out of the range defined by minValue and maxValue.",
+    "InvalidStateError: AudioWorkletGlobalScope.registerProcessor: In parameterDescriptors, test minValue should be smaller than maxValue.",
+    ];
+
+  var expected_errors_i = 0;
+
+  const ConsoleAPIStorage = SpecialPowers.Cc[
+    "@mozilla.org/consoleAPI-storage;1"
+  ].getService(SpecialPowers.Ci.nsIConsoleAPIStorage);
+
+  function consoleListener() {
+    this.observe = this.observe.bind(this);
+    ConsoleAPIStorage.addLogEventListener(this.observe, SpecialPowers.wrap(document).nodePrincipal);
+  }
+
+  consoleListener.prototype  = {
+    observe(aSubject) {
+      var obj = aSubject.wrappedJSObject;
+      if (obj.arguments[0] == expected_errors[expected_errors_i]) {
+        ok(true, "Expected error received: " + obj.arguments[0]);
+        expected_errors_i++;
+      }
+
+      if (expected_errors_i == expected_errors.length) {
+        // All errors have been received, this test has been completed
+        // succesfully!
+        ConsoleAPIStorage.removeLogEventListener(this.observe);
+        SimpleTest.finish();
+      }
+    }
+  }
+
+  var cl = new consoleListener();
+}
+
+// This function is called into an iframe.
+function runTestInIframe() {
+  ok(window.isSecureContext, "Test should run in secure context");
+  var audioContext = new AudioContext();
+  ok(audioContext.audioWorklet instanceof AudioWorklet,
+     "AudioContext.audioWorklet should be an instance of AudioWorklet");
+  audioContext.audioWorklet.addModule("worklet_test_audioWorkletGlobalScopeRegisterProcessor.js")
+}
+</script>
+</body>
+</html>