appHelper.fixtures = null

UserController.test.js

var sails = require('sails'),
    sinon = require('sinon'),
    assert = require('assert'),
    request = require('supertest'),
    appHelper = require('../../helpers/appHelper'),
    agent = request.agent('http://localhost:1337');

before(function(done){
  appHelper.lift(done);
});

describe('UserController', function (done) {
  console.log(appHelper.fixtures);
});

after(function (done) {
  // Restart the server to get back to a clean state
  // (could just delete the user in this case, but sometimes this is easier)
  appHelper.lift(done);
});