Delete test app component

client/src/app/app.component.spec.ts

-import { TestBed } from '@angular/core/testing';
-import { RouterTestingModule } from '@angular/router/testing';
-import { AppComponent } from './app.component';
-
-describe('AppComponent', () => {
-    beforeEach(async () => {
-        await TestBed.configureTestingModule({
-        imports: [
-            RouterTestingModule
-        ],
-        declarations: [
-            AppComponent
-        ],
-        }).compileComponents();
-    });
-
-    it('should create the app', () => {
-        const fixture = TestBed.createComponent(AppComponent);
-        const app = fixture.componentInstance;
-        expect(app).toBeTruthy();
-    });
-
-    it(`should have as title 'client'`, () => {
-        const fixture = TestBed.createComponent(AppComponent);
-        const app = fixture.componentInstance;
-        expect(app.title).toEqual('client');
-    });
-
-    it('should render title', () => {
-        const fixture = TestBed.createComponent(AppComponent);
-        fixture.detectChanges();
-        const compiled = fixture.nativeElement as HTMLElement;
-        expect(compiled.querySelector('.content span')?.textContent).toContain('client app is running!');
-    });
-});