flaky: test.parallel/test-trace-events-fs-sync

[refack]

I've seen it fail on linuxONE (maybe because it runs more often than others because of the lite job). All are SIGSEGV but event varies (e.g. chmod / symlink / mkdtemp / ...).

assert.js:84
  throw new AssertionError(obj);
  ^

AssertionError [ERR_ASSERTION]: fs.sync.chmod:
{ status: null,
  signal: 'SIGSEGV',
  output: [ null, '', '' ],
  pid: 57470,
  stdout: '',
  stderr: '' }
    at Object.<anonymous> (/data/iojs/build/workspace/node-test-commit-linuxone/nodes/rhel72-s390x/test/parallel/test-trace-events-fs-sync.js:139:10)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
    at startup (internal/bootstrap/node.js:257:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:594:3)

• node-test-commit-linuxone/3767/
• node-test-commit-linuxone/3748/
• node-test-commit-linuxone/3741/

@nodejs/testing @nodejs/trace-events

[addaleax]

I think this is a duplicate of #21038