test: resolve import issues in spec files

src/app/app.module.ts

@@ -7,7 +7,6 @@ import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { ServiceWorkerModule } from '@angular/service-worker';
-// NG Translate
 import { EffectsModule } from '@ngrx/effects';
 import { StoreRouterConnectingModule, routerReducer } from '@ngrx/router-store';
 import { StoreModule } from '@ngrx/store';