Reformat code for readability

api/src/category.router.test.ts

@@ -89,7 +89,7 @@ describe('Category Router Endpoints', () => {
 
         // Prevent console.error from cluttering the test runner feedback during intentional failures
         const originalConsoleError = console.error;
-    console.error = () => {};
+        console.error = () => { };
 
         const routeHandler = getRouteHandler(router);
         await routeHandler(mockReq, mockRes);