diff --git a/support-portal-frontend/src/app/service/notification.service.spec.ts b/support-portal-frontend/src/app/service/notification.service.spec.ts
index 899735a..1d392dc 100644
--- a/support-portal-frontend/src/app/service/notification.service.spec.ts
+++ b/support-portal-frontend/src/app/service/notification.service.spec.ts
@@ -1,16 +1,40 @@
 import {TestBed} from '@angular/core/testing';
 
 import {NotificationService} from './notification.service';
+import {NotifierService} from "angular-notifier";
+import {NotificationType} from "../notification/notification-type";
 
 describe('NotificationService', () => {
   let service: NotificationService;
+  let notifierSpy: jasmine.SpyObj<NotifierService>;
+
+  let notifierServiceSpy = jasmine.createSpyObj('NotifierService', ['notify']);
 
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    TestBed.configureTestingModule({
+      providers: [{provide: NotifierService, useValue: notifierServiceSpy}]
+    });
     service = TestBed.inject(NotificationService);
+    notifierSpy = TestBed.inject(NotifierService) as jasmine.SpyObj<NotifierService>;
   });
 
   it('should be created', () => {
     expect(service).toBeTruthy();
   });
+
+  it("should call NotifierService's `notify` method with `info` message type when `notify` method is called with INFO notification type", () => {
+
+    service.notify(NotificationType.INFO, "Dummy msg");
+
+    expect(notifierSpy.notify).toHaveBeenCalledWith("info", "Dummy msg");
+
+  });
+
+  it("should call NotifierService's `notify` method with `default` message type when `notify` method is called with DEFAULT notification type", () => {
+
+    service.notify(NotificationType.DEFAULT, "Dummy msg");
+
+    expect(notifierSpy.notify).toHaveBeenCalledWith("default", "Dummy msg");
+
+  });
 });