diff --git a/backend/package-lock.json b/backend/package-lock.json
index a69a022..5a87950 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -25,6 +25,7 @@
         "@types/supertest": "^6.0.0",
         "@typescript-eslint/eslint-plugin": "^6.0.0",
         "@typescript-eslint/parser": "^6.0.0",
+        "c8": "^9.1.0",
         "eslint": "^8.42.0",
         "eslint-config-prettier": "^9.0.0",
         "eslint-plugin-prettier": "^5.0.0",
@@ -3168,6 +3169,31 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/c8": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-9.1.0.tgz",
+      "integrity": "sha512-mBWcT5iqNir1zIkzSPyI3NCR9EZCVI3WUD+AVO17MVWTSFNyUueXE82qTeampNtTr+ilN/5Ua3j24LgbCKjDVg==",
+      "dev": true,
+      "dependencies": {
+        "@bcoe/v8-coverage": "^0.2.3",
+        "@istanbuljs/schema": "^0.1.3",
+        "find-up": "^5.0.0",
+        "foreground-child": "^3.1.1",
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-report": "^3.0.1",
+        "istanbul-reports": "^3.1.6",
+        "test-exclude": "^6.0.0",
+        "v8-to-istanbul": "^9.0.0",
+        "yargs": "^17.7.2",
+        "yargs-parser": "^21.1.1"
+      },
+      "bin": {
+        "c8": "bin/c8.js"
+      },
+      "engines": {
+        "node": ">=14.14.0"
+      }
+    },
     "node_modules/call-bind": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
diff --git a/backend/package.json b/backend/package.json
index db6d838..00729d3 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -13,12 +13,11 @@
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
-    "test": "npm run test:unit && npm run test:e2e",
+    "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json",
-    "test:unit": "jest"
+    "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
@@ -65,6 +64,13 @@
       "**/*.(t|j)s"
     ],
     "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "coverageThreshold": {
+      "global": {
+        "lines": 90,
+        "functions": 90,
+        "branches": 90
+      }
+    }
   }
 }
diff --git a/backend/src/app.controller.spec.ts b/backend/src/app.controller.spec.ts
index 10b040e..b01ee42 100644
--- a/backend/src/app.controller.spec.ts
+++ b/backend/src/app.controller.spec.ts
@@ -11,7 +11,7 @@ describe('AppController', () => {
   });
 
   describe('getPing', () => {
-    it('should return pong on ping', () => {
+    it('should call getPing in app service', () => {
       jest.spyOn(appService, 'getPing').mockReturnValue('pong');
       expect(appController.getPing()).toBe('pong');
     });
diff --git a/backend/src/app.service.spec.ts b/backend/src/app.service.spec.ts
new file mode 100644
index 0000000..9597ac9
--- /dev/null
+++ b/backend/src/app.service.spec.ts
@@ -0,0 +1,15 @@
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appService: AppService;
+
+  beforeEach(async () => {
+    appService = new AppService();
+  });
+
+  describe('getPing', () => {
+    it('should return pong on getPing', () => {
+      expect(appService.getPing()).toBe('pong');
+    });
+  });
+});