Flaky addons/callback-scope/test-resolve-async

Error Message

assert.js:338
    throw err;
    ^

AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:

  assert(called)

    at Timeout.setTimeout [as _onTimeout] (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora-latest-x64/test/addons/callback-scope/test-resolve-async.js:10:20)
    at ontimeout (timers.js:454:11)
    at tryOnTimeout (timers.js:326:5)
    at listOnTimeout (timers.js:300:5)
    at processTimers (timers.js:257:5)