diff --git a/src/app/app.component.test.ts b/src/app/app.component.test.ts
index 1a8d32c16..e815b64bd 100644
--- a/src/app/app.component.test.ts
+++ b/src/app/app.component.test.ts
@@ -22,6 +22,7 @@ import { Network, Platform, NgZone } from '@singletons';
 
 import { mockSingleton, renderComponent } from '@/testing/utils';
 import { CoreNavigator, CoreNavigatorService } from '@services/navigator';
+import { CoreSitePlugins } from '@features/siteplugins/services/siteplugins';
 
 describe('AppComponent', () => {
 
@@ -33,6 +34,7 @@ describe('AppComponent', () => {
         mockSingleton(Network, { onChange: () => new Observable() });
         mockSingleton(Platform, { ready: () => Promise.resolve(), resume: new Subject<void>() });
         mockSingleton(NgZone, { run: jest.fn() });
+        mockSingleton(CoreSitePlugins, { hasSitePluginsLoaded: false });
 
         navigator = mockSingleton(CoreNavigator, ['navigate']);
         langProvider = mockSingleton(CoreLang, ['clearCustomStrings']);
diff --git a/src/testing/setup.ts b/src/testing/setup.ts
index 9972e2e8e..6bffcfaca 100644
--- a/src/testing/setup.ts
+++ b/src/testing/setup.ts
@@ -21,6 +21,12 @@ console.debug = () => {
     // Silence.
 };
 
+// eslint-disable-next-line no-console, jest/no-jasmine-globals, @typescript-eslint/no-explicit-any
+console.error = (...args: any[]) => fail(args.map(a => a.toString()).join(''));
+
+// eslint-disable-next-line jest/no-jasmine-globals
+process.on('unhandledRejection', error => fail(error));
+
 // Override the method to create singleton method proxies in order to facilitate setting up
 // test expectations about method calls.
 setCreateSingletonMethodProxy(