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diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-audioworklet-connections.https.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-audioworklet-connections.https.html
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+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-audioworklet-connections.https.html
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+<!doctype html>
+<html>
+  <head>
+    <title>Test k-rate AudioParams with inputs for AudioWorkletNode</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+
+  <body>
+    <script>
+      const audit = Audit.createTaskRunner();
+
+      // Use the worklet gain node to test k-rate parameters.
+      const filePath =
+          '../the-audioworklet-interface/processors/gain-processor.js';
+
+      // Context for testing
+      let context;
+
+      audit.define('Create Test Worklet', (task, should) => {
+        // Arbitrary sample rate and duration.
+        const sampleRate = 8000;
+
+        // Only new a few render quanta to verify things are working.
+        const testDuration = 4 * 128 / sampleRate;
+
+        context = new OfflineAudioContext({
+          numberOfChannels: 3,
+          sampleRate: sampleRate,
+          length: testDuration * sampleRate
+        });
+
+        should(
+            context.audioWorklet.addModule(filePath),
+            'Construction of AudioWorklet')
+            .beResolved()
+            .then(() => task.done());
+      });
+
+      audit.define('AudioWorklet k-rate AudioParam', async (task, should) => {
+        let src = new ConstantSourceNode(context);
+        let kRateNode = new AudioWorkletNode(context, 'gain');
+        src.connect(kRateNode).connect(context.destination);
+
+        let kRateParam = kRateNode.parameters.get('gain');
+        kRateParam.automationRate = 'k-rate';
+        kRateParam.value = 0;
+
+        let mod = new ConstantSourceNode(context);
+        mod.offset.setValueAtTime(0, 0);
+        mod.offset.linearRampToValueAtTime(
+            10, context.length / context.sampleRate);
+        mod.connect(kRateParam);
+
+        mod.start();
+        src.start();
+
+        const audioBuffer = await context.startRendering();
+        let output = audioBuffer.getChannelData(0);
+
+        // Verify that the output isn't constantly zero.
+        should(output, 'output').notBeConstantValueOf(0);
+        // Verify that the output from the worklet is step-wise
+        // constant.
+        for (let k = 0; k < output.length; k += 128) {
+          should(output.slice(k, k + 128), ` k-rate output [${k}: ${k + 127}]`)
+              .beConstantValueOf(output[k]);
+        }
+        task.done();
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>