chore: add sample test for Vitest setup

Author: brandonroberts

src/app/app.component.spec.ts

@@ -0,0 +1,20 @@
+import { TestBed } from '@angular/core/testing';
+import { provideRouter } from '@angular/router';
+import { provideLocationMocks } from '@angular/common/testing';
+
+import { AppComponent } from './app.component';
+
+describe('App', () => {
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [AppComponent],
+      providers: [provideRouter([]), provideLocationMocks()],
+    }).compileComponents();
+  });
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app).toBeTruthy();
+  });
+});

tsconfig.json

@@ -30,5 +30,8 @@
     "strictInjectionParameters": true,
     "strictInputAccessModifiers": true,
     "strictTemplates": true
-  }
+  },
+  "references": [
+    { "path": "tsconfig.spec.json" }
+  ]
 }