text: import { expect } from 'chai';
  import reducer from 'src/features/core/redux/reducer';
  
  describe('core/redux/reducer', () => {
    it('does nothing if no matched action', () => {
      const prevState = {};
      const state = reducer(
        prevState,
        { type: '__UNKNOWN_ACTION_TYPE__' }
      );
      expect(state).to.equal(prevState);
    });
  
    // TODO: add global reducer test if needed.
  });
  