feat(test): Setup unit testing

src/setupTest.js

@@ -4,3 +4,7 @@ import Enzyme from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
 
 Enzyme.configure({ adapter: new Adapter() });
+
+// These configuration values are usually set in webpack's EnvironmentPlugin however
+// Jest does not use webpack so we need to set these so for testing
+process.env.LMS_BASE_URL = 'http://localhost:18000';