add simple test for footer

src/components/Footer/Footer.spec.js

@@ -0,0 +1,13 @@
+import { expect } from 'chai';
+import { shallow } from 'enzyme';
+import React from 'react';
+
+import Footer from './index';
+
+describe('Footer', () => {
+  describe('renders correctly', () => {
+    it('Footer should render', () => {
+      const wrapper = shallow(<Footer />);
+    });
+  });
+});

src/components/Footer/index.js

@@ -13,7 +13,6 @@ const Footer = ({ stopSong, pauseSong, resumeSong, audioControl}) => {
 				resumeSong={ resumeSong }
 				audioControl={ audioControl }
 			/>
-
 			<VolumeControls />
 		</div>
 	);