title: How to skip before_create callback in Rspec
body: <p>Hi i am using a Rails application with ruby-2.2.5 and rails 5 i am using rspec to test my controller. there is a callback in User model <code>before_create :create_token</code> i want to skip this callback in rspec.</p>
  
  <pre><code>spec/controllers/check_token_controller_spec.rb
  
  # frozen_string_literal: true
  
  require 'rails_helper'
  
  describe CheckTokenController do
    before do
      @user = User.create!(fullname: 'saddam husain',
                           email: 'saddam@gmail.com',
                           password: 'pass',
                           password_confirmation: 'pass',token: 'xyz')
    end
  
    describe 'POST create' do 
      subject { post :create, params: params }
  
      context 'when credentials are valid' do
        let(:params) do
          { data: { attributes: { username: 'saddam@gmail.com', token: 'xyz' } } }
        end
  
        it { is_expected.to have_http_status(200) }
      end
  
      context 'when credentials are invalid' do
        let(:params) do
          { data: { attributes: { username: 'saddam@gmail.com', token: '' } } }
        end
  
        it { is_expected.to have_http_status(401) }
      end
    end
  end
  </code></pre>
  
  <p>i want to skip create_token callback. please help me how to skip.</p>