message

src/app/services/network-service.service.spec.ts

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+import { TestBed } from '@angular/core/testing';
+
+import { NetworkServiceService } from './network-service.service';
+
+describe('NetworkServiceService', () => {
+  let service: NetworkServiceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(NetworkServiceService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});