test(Input): Add unit test

#70

components/Input/Input.test.jsx

@@ -0,0 +1,11 @@
+import React from 'react';
+import Input from './Input';
+import renderer from 'react-test-renderer';
+
+describe('<Input />', () => {
+  describe('Snapshots', () => {
+    it('should match snapshot', () => {
+      expect(renderer.create(<Input />).toJSON()).toMatchSnapshot();
+    });
+  });
+});

components/Input/__snapshots__/Input.test.jsx.snap

@@ -0,0 +1,16 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<Input /> Snapshots should match snapshot 1`] = `
+.c0 {
+  outline: none;
+  border: none;
+  padding: 3px 3px 5px 3px;
+  border-left: 1px solid #868a8e;
+  border-top: 1px solid #868a8e;
+  box-shadow: inset -1px -1px 0 0 #c3c7cb,inset 1px 1px 0 0 #000000,0.5px 0.5px 0 0.5px #ffffff;
+}
+
+<input
+  className="c0"
+/>
+`;