diff --git a/test/client-proxy/test-http-proxy-request-invalid-char-in-url.mjs b/test/client-proxy/test-http-proxy-request-invalid-char-in-url.mjs
index 1b5f586b2923d4..c9254c8f094ed2 100644
--- a/test/client-proxy/test-http-proxy-request-invalid-char-in-url.mjs
+++ b/test/client-proxy/test-http-proxy-request-invalid-char-in-url.mjs
@@ -12,16 +12,16 @@ import { Worker } from 'node:worker_threads';
 const expectedProxyLogs = new Set();
 const proxyWorker = new Worker(fixtures.path('proxy-server-worker.js'));
 
-proxyWorker.on('message', (message) => {
+proxyWorker.on('message', common.mustCall((message) => {
   console.log('Received message from worker:', message.type);
   if (message.type === 'proxy-listening') {
-    startTest(message.port);
+    startTest(message.port).then(common.mustCall());
   } else if (message.type === 'proxy-stopped') {
     assert.deepStrictEqual(new Set(message.logs), expectedProxyLogs);
     // Close the server after the proxy is stopped.
     proxyWorker.terminate();
   }
-});
+}, 2));
 
 const requests = new Set();
 // Create a server that records the requests it gets.
@@ -74,7 +74,7 @@ async function startTest(proxyPort) {
         'proxy-connection': 'close',
       },
     });
-    http.request(url, (res) => {
+    http.request(url, common.mustCall((res) => {
       res.on('error', common.mustNotCall());
       res.setEncoding('utf8');
       res.on('data', () => {});
@@ -88,6 +88,6 @@ async function startTest(proxyPort) {
           proxyWorker.postMessage({ type: 'stop-proxy' });
         }
       }));
-    }).on('error', common.mustNotCall()).end();
+    })).on('error', common.mustNotCall()).end();
   }
 }
diff --git a/test/client-proxy/test-https-proxy-request-invalid-char-in-url.mjs b/test/client-proxy/test-https-proxy-request-invalid-char-in-url.mjs
index 10b308c3406829..b5e16e8254f553 100644
--- a/test/client-proxy/test-https-proxy-request-invalid-char-in-url.mjs
+++ b/test/client-proxy/test-https-proxy-request-invalid-char-in-url.mjs
@@ -67,7 +67,7 @@ for (const testCase of testCases) {
     url: severHost,
     headers: { host: severHost },
   });
-  https.request(url, (res) => {
+  https.request(url, common.mustCall((res) => {
     res.on('error', common.mustNotCall());
     res.setEncoding('utf8');
     res.on('data', (data) => {
@@ -77,14 +77,14 @@ for (const testCase of testCases) {
       console.log(`[Proxy client] #${++counter} closed request for: ${inspect(url)}`);
       // Finished all test cases.
       if (counter === testCases.length) {
-        setImmediate(() => {
+        setImmediate(common.mustCall(() => {
           console.log('All requests completed, shutting down.');
           proxy.close();
           server.close();
           assert.deepStrictEqual(requests, expectedUrls);
           assert.deepStrictEqual(new Set(logs), expectedProxyLogs);
-        });
+        }));
       }
     }));
-  }).on('error', common.mustNotCall()).end();
+  })).on('error', common.mustNotCall()).end();
 }
diff --git a/test/eslint.config_partial.mjs b/test/eslint.config_partial.mjs
index 592e047b609662..915a8b97b347ef 100644
--- a/test/eslint.config_partial.mjs
+++ b/test/eslint.config_partial.mjs
@@ -156,7 +156,7 @@ export default [
   },
   {
     files: [
-      'test/{async-hooks,message,module-hooks,node-api,pummel,pseudo-tty,v8-updates,wasi}/**/*.{js,mjs,cjs}',
+      'test/{async-hooks,benchmark,cctest,client-proxy,message,module-hooks,node-api,pummel,pseudo-tty,v8-updates,wasi}/**/*.{js,mjs,cjs}',
     ],
     rules: {
       'node-core/must-call-assert': 'error',