fix: the route 'api/health' only return a status code

src/modules/health/health.controller.spec.ts

@@ -1,21 +1,21 @@
+import { Test, TestingModule } from '@nestjs/testing';
 import { HealthController } from './health.controller';
-import { HttpStatus } from '@nestjs/common';
 
 describe('HealthController', () => {
   let healthController: HealthController;
 
-  beforeEach(() => {
-    healthController = new HealthController();
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [HealthController],
+    }).compile();
+
+    healthController = module.get<HealthController>(HealthController);
   });
 
   describe('checkHealth', () => {
-    it('should return status 200 with a healthy message', async () => {
+    it('should return status 200', async () => {
       const result = await healthController.checkHealth();
-
-      expect(result).toEqual({
-        status: HttpStatus.OK,
-        message: 'Server is healthy',
-      });
+      expect(result).toEqual(undefined);
     });
   });
 });

src/modules/health/health.controller.ts

@@ -1,5 +1,4 @@
-import { Controller, Get, HttpStatus, UseGuards } from '@nestjs/common';
-import { JwtAuthGuard } from '../../shared/guards/jwt-auth.guard';
+import { Controller, Get } from '@nestjs/common';
 
 /**
  * Controller for health checks.
@@ -17,16 +16,12 @@ export class HealthController {
    * response indicating whether the server is running correctly.
    * It requires JWT authentication to access.
    *
-   * @returns {Object} - An object containing the HTTP status and a health message.
+   * @returns {undefined} - Only return status code.
    * @throws {UnauthorizedException} - Throws if the request is not authenticated.
    * @async
    */
-  @UseGuards(JwtAuthGuard)
   @Get()
   async checkHealth() {
-    return {
-      status: HttpStatus.OK,
-      message: 'Server is healthy',
-    };
+    return;
   }
 }