Shubham | Add. Test setup

src/setupTests.ts

@@ -3,3 +3,7 @@
 // expect(element).toHaveTextContent(/react/i)
 // learn more: https://github.com/testing-library/jest-dom
 import '@testing-library/jest-dom/extend-expect';
+const enzyme = require('enzyme');
+const Adapter = require('enzyme-adapter-react-16');
+
+enzyme.configure({ adapter: new Adapter() });