message: Fix not-nullable error expectation
diff: @@ -143,8 +143,11 @@ describe('/api/Feedbacks', () => {
  frisby.post(API_URL + '/Feedbacks', { headers: jsonHeader, body: { } })
  .expect('status', 400)
  .expect('header', 'content-type', /application\/json/)
  - .expect('json', {
  - message: 'notNull Violation: rating cannot be null'
  + .expect('jsonTypes', {
  + message: Joi.string()
  + })
  + .then(res => {
  + expect(res.json.message.match(/notNull Violation: (Feedback\.)?rating cannot be null/))
  })
  .done(done)
  })
  