boostrap.test.js

'use strict';

/*
 * Location: /test/bootstrap.test.js
 *
 * @description :: This file is run before all other tests.
 */
var should = require('chai').should(),
    appHelper = require('./helpers/appHelper');

before('bootstrap', function (done) {
  appHelper.lift(done);
});

//...

// Global after hook
after('bootstrap', function (done) {
  appHelper.lower(done);
});

Keeps throwing the error.

$ grunt test
Running "mocha_istanbul:coverage" (mocha_istanbul) task
>> Warning: mocha.opts exists, but overwriting with options


  1) "before all" hook: bootstrap

  0 passing (4ms)
  1 failing

  1)  "before all" hook: bootstrap:
     Uncaught TypeError: object is not a function
      at /Users/.../test/helpers/appHelper.js:33:11
      at fn (/Users/.../node_modules/async/lib/async.js:641:34)
      at Object._onImmediate (/Users/.../node_modules/async/lib/async.js:557:34)
      at processImmediate [as _immediateCallback] (timers.js:345:15)

No coverage information was collected, exit without writing coverage information
>>
Warning: Task "mocha_istanbul:coverage" failed. Use --force to continue.

Aborted due to warnings.

FIXED: The issue was actually in appHelper.js. I had to remove the parenthesis from Sails i.e. Sails().lift to Sails.lift.

The appHelper file is located at https://gist.github.com/robksawyer/cd34f8c759e82537e7c7.