text: import * as stringUtils from 'lib/string'
  import chai from 'chai'
  chai.should()
  
  describe('padStart', () => {
      it('hello padEnd * expect to equeal *****hello', () => {
          let str = 'hello'
          str = stringUtils.padStart(str, 10, '*')
          expect(str).to.equal('*****hello')
      })
      it('hello padEnd * expect to equeal hello*****', () => {
          let str = 'hello'
          str = stringUtils.padEnd(str, 10, '*')
          expect(str).to.equal('hello*****')
      })
  })
  