message: Create spec for redux CHANGE_LANGUAGE action.
diff: +import {CHANGE_LANGUAGE, CONFIG_LANGUAGE_CHANGE} from '../../common/actions/config';
  +
  +describe('actions', () => {
  + it('should create an action to change language to index', () => {
  + const index = 2
  + const expectedAction = {
  + type: CONFIG_LANGUAGE_CHANGE,
  + index
  + }
  + expect(CHANGE_LANGUAGE(index)).toEqual(expectedAction)
  + })
  +})
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