diff --git a/detectors/node/opentelemetry-resource-detector-gcp/test/fixtures/use-gcp-detector.js b/detectors/node/opentelemetry-resource-detector-gcp/test/fixtures/use-gcp-detector.js
index cdfd6e7bb8..0c71a081f6 100644
--- a/detectors/node/opentelemetry-resource-detector-gcp/test/fixtures/use-gcp-detector.js
+++ b/detectors/node/opentelemetry-resource-detector-gcp/test/fixtures/use-gcp-detector.js
@@ -1,6 +1,25 @@
-const { createTestNodeSdk } = require ('@opentelemetry/contrib-test-utils');
-const { HttpInstrumentation } = require ('@opentelemetry/instrumentation-http');
-const { gcpDetector } = require ('../../build/src/index.js');
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Usage:
+//    node use-gcp-detector.js
+
+const { createTestNodeSdk } = require('@opentelemetry/contrib-test-utils');
+const { HttpInstrumentation } = require('@opentelemetry/instrumentation-http');
+const { gcpDetector } = require('../../build/src/index.js');
 
 
 const sdk = createTestNodeSdk({
@@ -9,21 +28,21 @@ const sdk = createTestNodeSdk({
     new HttpInstrumentation(),
   ],
   resourceDetectors: [gcpDetector],
-}); 
+});
 
 sdk.start();
 
 const http = require('http');
 
-const server = http.createServer((req,res) => {
+const server = http.createServer((req, res) => {
   console.log('incoming request: %s %s %s', req.method, req.url, req.headers);
-  
+
   req.resume();
   req.on('end', function () {
     const body = 'pong';
     res.writeHead(200, {
-        'content-type': 'text/plain',
-        'content-length': body.length,
+      'content-type': 'text/plain',
+      'content-length': body.length,
     });
     res.end(body);
   });
@@ -35,27 +54,27 @@ server.listen(0, '127.0.0.1', async function () {
   // First request to show a client error.
   const startTime = Date.now();
   await new Promise((resolve) => {
-      const clientReq = http.request(
-          `http://127.0.0.1:${port}/ping`,
-          function (cres) {
-              console.log(
-                  'client response: %s %s',
-                  cres.statusCode,
-                  cres.headers
-              );
-              const chunks = [];
-              cres.on('data', function (chunk) {
-                  chunks.push(chunk);
-              });
-              cres.on('end', function () {
-                  const body = chunks.join('');
-                  console.log('client response body: %j', body);
-                  resolve();
-              });
-          }
-      );
-      clientReq.write('ping');
-      clientReq.end();
+    const clientReq = http.request(
+      `http://127.0.0.1:${port}/ping`,
+      function (cres) {
+        console.log(
+          'client response: %s %s',
+          cres.statusCode,
+          cres.headers
+        );
+        const chunks = [];
+        cres.on('data', function (chunk) {
+          chunks.push(chunk);
+        });
+        cres.on('end', function () {
+          const body = chunks.join('');
+          console.log('client response body: %j', body);
+          resolve();
+        });
+      }
+    );
+    clientReq.write('ping');
+    clientReq.end();
   });
 
   // flush any left spans