test: create initial unit tests

src/reports/reports.service.spec.ts

@@ -1,18 +1,25 @@
 import { Test, TestingModule } from "@nestjs/testing";
+import { ListensService } from "../listens/listens.service";
 import { ReportsService } from "./reports.service";
 
 describe("ReportsService", () => {
   let service: ReportsService;
+  let listensService: ListensService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [ReportsService],
+      providers: [
+        ReportsService,
+        { provide: ListensService, useFactory: () => ({}) },
+      ],
     }).compile();
 
     service = module.get<ReportsService>(ReportsService);
+    listensService = module.get<ListensService>(ListensService);
   });
 
   it("should be defined", () => {
     expect(service).toBeDefined();
+    expect(listensService).toBeDefined();
   });
 });