Ng not ejected anymore

src/app/app.component.spec.ts

@@ -1,7 +1,9 @@
 import { TestBed, async } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 import { AppComponent } from './app.component';
-import { ElectronService } from 'app/providers/electron.service';
+import { ElectronService } from './providers/electron.service';
+
+import { TranslateService, TranslateModule } from '@ngx-translate/core';
 
 describe('AppComponent', () => {
   beforeEach(async(() => {
@@ -9,10 +11,13 @@ describe('AppComponent', () => {
       declarations: [
         AppComponent
       ],
-      providers : [
-        ElectronService
+      providers: [
+        ElectronService,
+        { provide: TranslateService, useClass: TranslateServiceStub }
       ],
-      imports: [RouterTestingModule]
+      imports: [RouterTestingModule,
+      TranslateModule.forRoot()
+    ]
     }).compileComponents();
   }));
 
@@ -22,3 +27,8 @@ describe('AppComponent', () => {
     expect(app).toBeTruthy();
   }));
 });
+
+class TranslateServiceStub {
+  setDefaultLang(lang: string): void {
+  }
+}