text: const c = require('../happensbeforechecker')()
  c
      .verify('tick01', 'im01')
      .verify('tick01', 'req')
  
  const http = require('http');
  
  function foo() {
      http.get('http://example.com/', function req(resp) {
          c.notify('req')
          console.log('req')
      })
  
      setImmediate(function im01() {
          c.notify('im01')
          /*...*/
          console.log('im01')
      })
      process.nextTick(function tick01() {
          c.notify('tick01')
          /*...*/ 
          console.log('tick01')
      })
  }
  module.exports = { foo }