test: update testbed

src/app/app.spec.ts

@@ -1,10 +1,13 @@
 import { TestBed } from '@angular/core/testing';
 import { App } from './app';
+import { strings } from './strings';
+import { STRINGS_INJECTOR } from './app.config';
 
 describe('App', () => {
   beforeEach(async () => {
     await TestBed.configureTestingModule({
       imports: [App],
+      providers: [{ provide: STRINGS_INJECTOR, useValue: strings }],
     }).compileComponents();
   });
 
@@ -14,10 +17,4 @@ describe('App', () => {
     expect(app).toBeTruthy();
   });
 
-  it('should render title', () => {
-    const fixture = TestBed.createComponent(App);
-    fixture.detectChanges();
-    const compiled = fixture.nativeElement as HTMLElement;
-    expect(compiled.querySelector('h1')?.textContent).toContain('Hello, agenda-web');
-  });
 });