Add admin approval page.

src/app/pages/admin/admin.component.spec.ts

@@ -0,0 +1,61 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AdminComponent } from './admin.component';
+import {HttpClient} from '@angular/common/http';
+import {HttpClientTestingModule, HttpTestingController} from '@angular/common/http/testing';
+import {AdminModule} from './admin.module';
+import {FooterStubComponent, SidebarStubComponent, TopbarStubComponent, UserServiceStub} from '../../../testing';
+import {AppModule} from '../../app.module';
+import {UserService} from '../../_services';
+
+describe('AdminComponent', () => {
+  let component: AdminComponent;
+  let fixture: ComponentFixture<AdminComponent>;
+  let httpClient: HttpClient;
+  let httpTestingController: HttpTestingController;
+  let userService: UserServiceStub;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [
+        AdminComponent,
+        FooterStubComponent,
+        SidebarStubComponent,
+        TopbarStubComponent
+      ],
+      imports: [
+        AdminModule,
+        AppModule,
+        HttpClientTestingModule,
+      ],
+      providers: [
+        { provide: UserService, useClass: UserServiceStub }
+      ]
+    })
+    .compileComponents();
+    httpClient = TestBed.inject(HttpClient);
+    httpTestingController = TestBed.inject(HttpTestingController);
+    userService = new UserServiceStub();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AdminComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('#approveAction should toggle approval status', () => {
+    const action = userService.getActionById('1');
+    expect(action).toBe({
+      id: 1,
+      user: 'Tom',
+      role: 'enroller',
+      action: 'Disburse RSV 100',
+      approval: false
+    });
+  });
+});