Fineract backend settings with environment variables

src/app/pipes/date-format.pipe.spec.ts

@@ -1,8 +1,19 @@
+import { TestBed, waitForAsync } from '@angular/core/testing';
+import { SettingsService } from 'app/settings/settings.service';
 import { DateFormatPipe } from './date-format.pipe';
 
 describe('DateFormatPipe', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [ SettingsService ],
+      declarations: [ DateFormatPipe ]
+    })
+    .compileComponents();
+  }));
+
   it('create an instance', () => {
-    const pipe = new DateFormatPipe();
+    const pipe = new DateFormatPipe(new SettingsService());
     expect(pipe).toBeTruthy();
   });
 });