old_contents: const fs = require('fs')
  const path = require('path')
  const test = require('tap').test
  
  test((t) => {
    fs.chmodSync(path.join(__dirname, '../.nyc_output'), '7777')
    const files = fs.readdirSync(path.join(__dirname, '../.nyc_output'))
    files.forEach((file) => {
      fs.chmodSync(path.join(__dirname, `../.nyc_output/${file}`), '7777')
    })
    require('child_process').exec('ls -la .nyc_output', (e, out)=> {
      console.log('ls -la')
      console.log(out)
      t.end()
    })
  })
  
new_contents: const fs = require('fs')
  const path = require('path')
  const test = require('tap').test
  
  test((t) => {
    fs.chmodSync(path.join(__dirname, '../.nyc_output'), '7777')
    const files = fs.readdirSync(path.join(__dirname, '../.nyc_output'))
    files.forEach((file) => {
      fs.chmodSync(path.join(__dirname, `../.nyc_output/${file}`), '7777')
    })
    require('child_process').exec('ls -la .nyc_output', (e, out) => {
      console.log('ls -la')
      console.log(out)
      t.end()
    })
  })
  
subject: fix lint errors