text: import test from 'ava'
  import grasp from 'grasp'
  
  let code = `class Hello {
  }`
  
  let expResult = `class Hello {
  } class Goodbye {
  }`
  
  const find = 'class-dec[id=#Hello]'
  const replace = `{{}} class Goodbye {
  }`
  
  const replacer = grasp.replace('squery', find, replace)
  let result = replacer(code)
  
  const log = console.log
  
  test('add class after', t => {
    log('result', result)
    t.regex(result, /class Goodbye/, 'class Goodbye added after class Hello')
    t.is(result, expResult)
  })
  