text: const { dayDiffCheck } = require('../js/dayDiffChecker');
  
  test('check for day difference at client side', () => {
  
      expect(dayDiffCheck('2020-01-01', '2020-01-31')).toBe(30);
      expect(dayDiffCheck('2020-01-01', '2020-01-31')).not.toBe(31);
  
  });