diff --git a/projects/aca-shared/src/lib/components/page-layout/page-layout.component.spec.ts b/projects/aca-shared/src/lib/components/page-layout/page-layout.component.spec.ts
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+++ b/projects/aca-shared/src/lib/components/page-layout/page-layout.component.spec.ts
@@ -0,0 +1,58 @@
+/*!
+ * @license
+ * Alfresco Example Content Application
+ *
+ * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail.  Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { PageLayoutComponent } from './page-layout.component';
+import { AppService } from '../../services/app.service';
+import { BehaviorSubject, Subject } from 'rxjs';
+
+describe('PageLayoutComponent', () => {
+  let fixture: ComponentFixture<PageLayoutComponent>;
+  let component: PageLayoutComponent;
+  const appServiceMock = {
+    toggleAppNavBar$: new Subject(),
+    appNavNarMode$: new BehaviorSubject<'collapsed' | 'expanded'>('expanded')
+  };
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [PageLayoutComponent],
+      providers: [
+        {
+          provide: AppService,
+          useValue: appServiceMock
+        }
+      ]
+    });
+    fixture = TestBed.createComponent(PageLayoutComponent);
+    component = fixture.componentInstance;
+  });
+
+  it('should toggle the appService toggleAppNavBar$ Subject', () => {
+    spyOn(appServiceMock.toggleAppNavBar$, 'next');
+    component.toggleClick();
+    expect(appServiceMock.toggleAppNavBar$.next).toHaveBeenCalled();
+  });
+});