old_contents: 'use strict'
  
  const heilo = require('../lib')
  
  heilo('http://example.com', {
    interval: '5m',
    debug: true,
    report: error => {
      console.log(`
      SERVER DOWN: ${JSON.stringify(error)}
      `)
    }
  })
  
new_contents: 'use strict'
  
  const heilo = require('../lib')
  
  heilo('http://localhost', {
    interval: '5m',
    debug: true,
    report: error => {
      console.log(`
      SERVER DOWN: ${JSON.stringify(error)}
      `)
    }
  })
  
subject: use localhost for an example so that it throws an error when executed