Rebase and incorporates feedback

__tests__/components/CheckboxCard.test.jsx

@@ -1,17 +1,16 @@
 import React from 'react';
-import { mount } from 'enzyme';
+import { shallow } from 'enzyme';
 import CheckboxCard from '../../src/components/AddRole/CheckboxCard';
 
 describe('<CheckboxCard />', () => {
   let wrapper;
   test('initially renders without crashing', () => {
-    wrapper = mount(
+    wrapper = shallow(
       <CheckboxCard
         name="Foobar"
         itemId={5}
       />
     );
     expect(wrapper.length).toBe(1);
-    wrapper.unmount();
   });
 });