test: add missing dependency

src/app/app.component.spec.ts

@@ -1,11 +1,11 @@
 import { TestBed, waitForAsync } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 import { AppComponent } from './app.component';
-import { TranslateModule } from '@ngx-translate/core';
+import { TranslateModule, TranslatePipe } from '@ngx-translate/core';
 import { ElectronService } from './services/electron.service';
 import { ElectronServiceStub } from './home/home.component.spec';
 import { MatSnackBar, MatSnackBarModule } from '@angular/material/snack-bar';
-import { MockModule } from 'ng-mocks';
+import { MockModule, MockPipe } from 'ng-mocks';
 
 jest.mock('custom-electron-titlebar', () => {
     return {
@@ -23,24 +23,29 @@ class MatSnackBarStub {
 }
 
 describe('AppComponent', () => {
-    beforeEach(waitForAsync(() => {
-        TestBed.configureTestingModule({
-            declarations: [AppComponent],
-            providers: [
-                { provide: ElectronService, useClass: ElectronServiceStub },
-                { provide: MatSnackBar, useClass: MatSnackBarStub },
-            ],
-            imports: [
-                MockModule(MatSnackBarModule),
-                RouterTestingModule,
-                TranslateModule.forRoot(),
-            ],
-        }).compileComponents();
-    }));
+    beforeEach(
+        waitForAsync(() => {
+            TestBed.configureTestingModule({
+                declarations: [AppComponent, MockPipe(TranslatePipe)],
+                providers: [
+                    { provide: ElectronService, useClass: ElectronServiceStub },
+                    { provide: MatSnackBar, useClass: MatSnackBarStub },
+                ],
+                imports: [
+                    MockModule(MatSnackBarModule),
+                    RouterTestingModule,
+                    TranslateModule.forRoot(),
+                ],
+            }).compileComponents();
+        })
+    );
 
-    it('should create the app', waitForAsync(() => {
-        const fixture = TestBed.createComponent(AppComponent);
-        const app = fixture.debugElement.componentInstance;
-        expect(app).toBeTruthy();
-    }));
+    it(
+        'should create the app',
+        waitForAsync(() => {
+            const fixture = TestBed.createComponent(AppComponent);
+            const app = fixture.debugElement.componentInstance;
+            expect(app).toBeTruthy();
+        })
+    );
 });