adding bonus content for jest

bonus-jest/exercise/src/TestMe.spec.tsx

@@ -0,0 +1,13 @@
+import React from 'react';
+import { mount } from 'enzyme';
+import { TestMe } from './TestMe';
+
+describe('TestMe Component', () => {
+  it('should render correctly when hovered', () => {
+    // TODO:
+    // 1. mount a <TestMe> Component here
+    // 2. use enzyme wrapper's find() method to retrieve the #innerMe element
+    // 3. simulate a hover with "mouseover" event via the simulate() API
+    // 4. make assertions with expect on the text() of the #innerMe element
+  });
+});