Dir not deleted on graceful change with Node.js ≥ 12

[guimard]

Operating System

• [x] Linux
• [ ] Windows 7
• [ ] Windows 10
• [ ] MacOS
• other:

NodeJS Version

• [ ] 0.x
• [ ] 4.x
• [ ] 6.x
• [ ] 7.x
• [x] other: 12

Tmp Version

TBD: 0.1.0

Expected Behavior

TBD: remove tmp directory on graceful cleanup

Experienced Behavior

TBD: did not, proven by tests :

  341 passing (3s)
  2 failing

  1) tmp
       #dirSync()
         when running standard outband tests
           on graceful cleanup:

      AssertionError [ERR_ASSERTION]: /tmp/tmp-895811RisWt1aul3Ir should not exist
      + expected - actual

      -false
      +true

      at Object.assertDoesNotExist (test/assertions.js:67:10)
      at test/dir-sync-test.js:56:24
      at _close (test/child-process.js:58:7)
      at Socket._stderrEnd (test/child-process.js:80:5)
      at Pipe.<anonymous> (net.js:659:12)

  2) tmp
       #dir()
         when running standard outband tests
           on graceful cleanup:

      AssertionError [ERR_ASSERTION]: /tmp/tmp-895860AHeHf1UUAj7m should not exist
      + expected - actual

      -false
      +true

      at Object.assertDoesNotExist (test/assertions.js:67:10)
      at test/dir-test.js:65:24
      at _close (test/child-process.js:58:7)
      at Socket._stderrEnd (test/child-process.js:80:5)
      at Pipe.<anonymous> (net.js:659:12)

[silkentrance]

Fixed with #198.