Revert "Show a test using Chai-Enzyme"

This reverts commit d91c843.

app/components/Img/Img.test.js

@@ -1,17 +1,17 @@
 import Img from './index';
 
-import { expect } from 'chai';
+import expect from 'expect';
 import { shallow } from 'enzyme';
 import React from 'react';
 
 describe('<Img />', () => {
   it('should render an <img> tag', () => {
     const renderedComponent = shallow(<Img src="test.png" alt="test" />);
-    expect(renderedComponent).to.have.tagName('img');
+    expect(renderedComponent.find('img').length).toEqual(1);
   });
 
   it('should have an alt attribute', () => {
     const renderedComponent = shallow(<Img src="test.png" alt="test" />);
-    expect(renderedComponent).to.have.attr('alt', 'test');
+    expect(renderedComponent.prop('alt')).toEqual('test');
   });
 });

package.json

@@ -23,8 +23,6 @@
     "babel-preset-es2015": "^6.3.13",
     "babel-preset-react": "^6.3.13",
     "babel-preset-stage-2": "^6.3.13",
-    "chai": "^3.4.1",
-    "chai-enzyme": "^0.2.2",
     "chalk": "^1.1.1",
     "cheerio": "^0.19.0",
     "css-loader": "^0.23.1",
@@ -43,7 +41,6 @@
     "ip": "^1.1.0",
     "json-loader": "^0.5.4",
     "karma": "^0.13.19",
-    "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^0.2.2",
     "karma-mocha": "^0.2.1",
     "karma-sourcemap-loader": "^0.3.7",