diff --git a/extension/test/app/containers/App.spec.js b/extension/test/app/containers/App.spec.js
index ffff097e..971789d7 100644
--- a/extension/test/app/containers/App.spec.js
+++ b/extension/test/app/containers/App.spec.js
@@ -4,6 +4,20 @@ import { Provider } from 'react-redux';
 import configureStore from '../../../src/app/stores/windowStore';
 import App from '../../../src/app/containers/App';
 
+Object.defineProperty(window, 'matchMedia', {
+  writable: true,
+  value: jest.fn().mockImplementation((query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: jest.fn(), // deprecated
+    removeListener: jest.fn(), // deprecated
+    addEventListener: jest.fn(),
+    removeEventListener: jest.fn(),
+    dispatchEvent: jest.fn(),
+  })),
+});
+
 const { store } = configureStore(store);
 
 describe('App container', () => {
diff --git a/packages/redux-devtools-app/test/app.spec.tsx b/packages/redux-devtools-app/test/app.spec.tsx
index 615fb5b2..c5e7f14a 100644
--- a/packages/redux-devtools-app/test/app.spec.tsx
+++ b/packages/redux-devtools-app/test/app.spec.tsx
@@ -9,6 +9,20 @@ import rootReducer from '../src/reducers';
 import { DATA_TYPE_KEY } from '../src/constants/dataTypes';
 import stringifyJSON from '../src/utils/stringifyJSON';
 
+Object.defineProperty(window, 'matchMedia', {
+  writable: true,
+  value: jest.fn().mockImplementation((query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: jest.fn(), // deprecated
+    removeListener: jest.fn(), // deprecated
+    addEventListener: jest.fn(),
+    removeEventListener: jest.fn(),
+    dispatchEvent: jest.fn(),
+  })),
+});
+
 const store = createStore(rootReducer, applyMiddleware(exportState, api));
 
 describe('App container', () => {