Fix formatting.

Author: onurtemizkan

plugins/node/opentelemetry-instrumentation-express/test/express.test.ts

@@ -391,7 +391,7 @@ describe('ExpressInstrumentation', () => {
       const app = express();
       app.use(express.json());
       app.use((req, res, next) => {
-        for (let i = 0; i < 1000000; i++) { }
+        for (let i = 0; i < 1000000; i++) {}
         return next();
       });
       const router = express.Router();