Simple user create test

users.test.js

describe('create', function () {
  before(function () {
    return utils.services.users.removeByEmail(app, 'test@test.com')
  })

  it('allows user signup', function (done) {
    const newUser = {
      email: 'test@test.com',
      password: 'test'
    }
    serviceOnClient.create(newUser)
      .then(user => {
        const allowedProps = [
          '__v',
          '_id',
          'canPublishTo',
          'createdAt',
          'email',
          'isAllowed',
          'isVerified',
          'roles',
          'updatedAt'
        ]
        Object.keys(user).forEach(prop => {
          assert(allowedProps.includes(prop), `the ${prop} attribute was in the response`)
        })
        done()
      })
      .catch(done)
  })
})