Test: Fix of tests for user (#9)

client/src/app/authentication/auth.service.spec.ts

+import { HttpClientTestingModule } from '@angular/common/http/testing';
 import { TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
 
 import { AuthService } from './auth.service';
 
@@ -6,7 +8,9 @@ describe('AuthService', () => {
   let service: AuthService;
 
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    TestBed.configureTestingModule({
+      imports: [ HttpClientTestingModule, RouterTestingModule ]
+    });
     service = TestBed.inject(AuthService);
   });
 

client/src/app/users/user-login-form/user-login-form.component.spec.ts

+import { HttpClientTestingModule } from '@angular/common/http/testing';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
 
 import { UserLoginFormComponent } from './user-login-form.component';
 
@@ -8,7 +10,8 @@ describe('UserLoginFormComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ UserLoginFormComponent ]
+      declarations: [ UserLoginFormComponent ],
+      imports: [ HttpClientTestingModule, RouterTestingModule ]
     })
     .compileComponents();
   });

client/src/app/users/user-profile/user-profile.component.spec.ts

+import { HttpClientTestingModule } from '@angular/common/http/testing';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
 
 import { UserProfileComponent } from './user-profile.component';
 
@@ -8,7 +10,8 @@ describe('UserProfileComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ UserProfileComponent ]
+      declarations: [ UserProfileComponent ],
+      imports: [ HttpClientTestingModule, RouterTestingModule ]
     })
     .compileComponents();
   });

client/src/app/users/user-registration-form/user-registration-form.component.spec.ts

+import { HttpClientTestingModule } from '@angular/common/http/testing';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
 
 import { UserRegistrationFormComponent } from './user-registration-form.component';
 
@@ -8,7 +10,8 @@ describe('UserRegistrationFormComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ UserRegistrationFormComponent ]
+      declarations: [ UserRegistrationFormComponent ],
+      imports: [ HttpClientTestingModule, RouterTestingModule ]
     })
     .compileComponents();
   });