test apps api

apps/api/src/domain/hello/HelloService.test.ts

@@ -0,0 +1,14 @@
+import { describe, expect, it } from 'vitest';
+import { HelloService } from './HelloService';
+
+describe('HelloService', () => {
+  it('is defined', () => {
+    const service = new HelloService();
+    expect(service).toBeDefined();
+  });
+
+  it('getHello returns "Hello World"', () => {
+    const service = new HelloService();
+    expect(service.getHello()).toBe('Hello World');
+  });
+});