Cleanup setup modules

src/components/RavenError/index.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { translate, Trans } from 'react-i18next';
-import { Raven } from 'sentry';
+import Raven from 'raven-js';
 
 import Message from 'components/Message';
 

src/components/RavenError/test.js

@@ -1,10 +1,10 @@
+jest.mock('raven-js');
+
 import React from 'react';
 import { shallow } from 'enzyme';
-
-jest.mock('sentry');
+import Raven from 'raven-js';
 
 import { RavenError } from 'components/RavenError';
-import { Raven } from 'sentry';
 import translate from '__mocks__/translate';
 
 const testError = { error: 'test error' };