diff --git a/test/parallel/test-debugger-invalid-json.js b/test/parallel/test-debugger-invalid-json.mjs
similarity index 56%
rename from test/parallel/test-debugger-invalid-json.js
rename to test/parallel/test-debugger-invalid-json.mjs
index 9bad8ed36949b2..e4754a465fcf5f 100644
--- a/test/parallel/test-debugger-invalid-json.js
+++ b/test/parallel/test-debugger-invalid-json.mjs
@@ -1,11 +1,11 @@
-'use strict';
-const common = require('../common');
-const startCLI = require('../common/debugger');
+import { skipIfInspectorDisabled, mustCall } from '../common/index.mjs';
 
-common.skipIfInspectorDisabled();
+skipIfInspectorDisabled();
 
-const assert = require('assert');
-const http = require('http');
+import startCLI from '../common/debugger.js';
+
+import assert from 'assert';
+import http from 'http';
 
 const host = '127.0.0.1';
 
@@ -14,14 +14,16 @@ const host = '127.0.0.1';
     res.statusCode = 400;
     res.end('Bad Request');
   });
-  server.listen(0, common.mustCall(() => {
+
+  server.listen(0, mustCall(async () => {
     const port = server.address().port;
     const cli = startCLI([`${host}:${port}`]);
-    cli.quit().then(common.mustCall((code) => {
+    try {
+      const code = await cli.quit();
       assert.strictEqual(code, 1);
-    })).finally(() => {
+    } finally {
       server.close();
-    });
+    }
   }));
 }
 
@@ -30,13 +32,15 @@ const host = '127.0.0.1';
     res.statusCode = 200;
     res.end('some data that is invalid json');
   });
-  server.listen(0, host, common.mustCall(() => {
+
+  server.listen(0, host, mustCall(async () => {
     const port = server.address().port;
     const cli = startCLI([`${host}:${port}`]);
-    cli.quit().then(common.mustCall((code) => {
+    try {
+      const code = await cli.quit();
       assert.strictEqual(code, 1);
-    })).finally(() => {
+    } finally {
       server.close();
-    });
+    }
   }));
 }