Fix tests

package.json

@@ -112,6 +112,7 @@
     "@types/react-redux": "^7.1.9",
     "@types/react-router-dom": "^5.1.6",
     "@types/reactstrap": "^8.5.2",
+    "@types/redux-mock-store": "^1.0.2",
     "@typescript-eslint/eslint-plugin": "^4.6.0",
     "@typescript-eslint/parser": "^4.6.0",
     "bootstrap": "^4.5.3",
@@ -140,6 +141,7 @@
     "react-virtualized": "^9.22.2",
     "react-vis": "^1.11.7",
     "reactstrap": "^8.6.0",
+    "redux-mock-store": "^1.5.4",
     "source-map-explorer": "^2.5.0",
     "typescript": "^4.0.5",
     "web-vitals": "^0.2.4"

src/components/App/App.test.tsx

@@ -1,14 +1,25 @@
 import React from 'react';
+import configureMockStore from 'redux-mock-store';
 import ReactDOM from 'react-dom';
 import { HelmetProvider } from 'react-helmet-async';
+import { Provider } from 'react-redux';
 import App from './App';
 
+const mockStore = configureMockStore();
+
 it('renders without crashing', () => {
+  const store = mockStore({
+    spinner: {
+      isVisible: false,
+    },
+  });
   const div = document.createElement('div');
   ReactDOM.render(
-    <HelmetProvider>
-      <App />
-    </HelmetProvider>,
+    <Provider store={store}>
+      <HelmetProvider>
+        <App />
+      </HelmetProvider>
+    </Provider>,
     div
   );
   ReactDOM.unmountComponentAtNode(div);