Reorganize file locations/directory structure (#270)

Reorganize file locations

src/components/AddRole/CheckboxCard.test.jsx

@@ -0,0 +1,16 @@
+import React from 'react';
+import { shallow } from 'enzyme';
+import CheckboxCard from './CheckboxCard';
+
+describe('<CheckboxCard />', () => {
+  let wrapper;
+  test('initially renders without crashing', () => {
+    wrapper = shallow(
+      <CheckboxCard
+        name="Foobar"
+        itemId={5}
+      />
+    );
+    expect(wrapper.length).toBe(1);
+  });
+});