text: 
  import decimalLength from 'library/function/decimalLength'
  
  describe('function/decimalLength.js', () => {
    it('input 2', () => {
      expect(decimalLength(2)).toBe(0)
    })
    it('input 2.00', () => {
      expect(decimalLength('2.00')).toBe(2)
    })
  })
  