text: const toLower = require('lodash/toLower');
  
  describe('toLower', () => {
    it('should convert strings to lower case', () => {
      expect(toLower('AB CD EF')).toEqual('ab cd ef');
      expect(toLower('AB#CD_EF')).toEqual('ab#cd_ef');
      expect(toLower('abCdEf')).toEqual('abcdef');
    });
  });