loading/tests: wrap component in fela context

Related-to: cloudflare#100

Author: Kristján Oddsson

packages/cf-component-loading/test/Loading.js

@@ -1,8 +1,9 @@
 import React from 'react';
 import renderer from 'react-test-renderer';
 import Loading from '../../cf-component-loading/src/index';
+import felaTestContext from '../../../felaTestContext';
 
 test('should render', () => {
-  const component = renderer.create(<Loading />);
+  const component = renderer.create(felaTestContext(<Loading />));
   expect(component.toJSON()).toMatchSnapshot();
 });