title: FactoryGirl on Heroku : Trait not registered
body: <p>Have <em>factory_girl_rails</em> gem installed, runs fine on local environment, but not on <em>Heroku</em>. It says:</p>
  
  <pre><code>Factory not registered :user.
  </code></pre>
  
  <p>Any ideas or relevant files I should post for help?</p>
  
  <pre><code>source 'https://rubygems.org'
  ruby '2.0.0'
  gem 'rails', '4.0.2'
  
  
  gem 'jbuilder', '~&gt; 1.2'
  gem 'jquery-rails'
  gem 'turbolinks'
  gem 'uglifier', '&gt;= 1.3.0'
  
  # server and database stacks
  gem 'pg'
  gem 'rails_12factor', group: :production
  gem 'thin'
  
  # template and assets stacks
  gem 'bootstrap-sass'
  gem 'gon'
  gem 'jquery-ui-rails'
  gem 'sass-rails', '~&gt; 4.0.0'
  gem 'slim-rails'
  gem 'coffee-rails', '~&gt; 4.0.0'
  gem "filepicker-rails", "~&gt; 1.0.0"
  gem 'simple_form'
  
  # authentication and authorization stacks
  gem 'devise'
  gem 'role_model'
  
  # functionality stacks
  gem 'state_machine'
  gem 'watu_table_builder', :require =&gt; 'table_builder'
  
  gem 'factory_girl_rails'
  gem 'faker'
  
  group :development do
    gem "better_errors"
    gem "binding_of_caller"
    gem 'pry-rails'
    gem 'quiet_assets'
  end
  
  group :development, :test do
    gem 'coveralls', require: false
    gem 'dotenv-rails'
    gem 'rspec-rails'
    gem 'guard-rspec'
    gem 'rb-fchange', require: false
    gem 'rb-fsevent', require: false # For Guard file detection on Mac OS X
    gem 'rb-inotify', require: false
    gem 'rb-readline', require: false
  end
  
  group :test do
    gem 'capybara'
    gem "codeclimate-test-reporter", require: nil
    gem 'database_cleaner'
  
    gem 'shoulda-matchers'
    gem 'simplecov', require: false
    gem 'terminal-notifier-guard' # OSX 10.8
  end
  
  group :doc do
    gem 'sdoc', require: false
  end
  </code></pre>
  
  <p>and the application.rb</p>
  
  <pre><code>require File.expand_path('../boot', __FILE__)
  
  require 'rails/all'
  
  # Require the gems listed in Gemfile, including any gems
  # you've limited to :test, :development, or :production.
  Bundler.require(:default, Rails.env)
  
  module ApplicationNew
    class Application &lt; Rails::Application
      # Settings in config/environments/* take precedence over those specified here.
      # Application configuration should go into files in config/initializers
      # -- all .rb files in that directory are automatically loaded.
  
      # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
      # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
      # config.time_zone = 'Central Time (US &amp; Canada)'
      config.time_zone = 'Singapore'
      config.active_record.default_timezone = :local
      config.filepicker_rails.api_key = ENV["FILEPICKER_API_KEY"]
  
      # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
      # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
      # config.i18n.default_locale = :de
  
      config.i18n.enforce_available_locales = true
  
      config.generators do |g|
        g.stylesheets false
        g.helper false
        g.javascripts false
        g.jbuilder false
        g.view_specs false
      end
  
      config.autoload_paths += Dir[Rails.root.join('app', 'models', '{**/}')]
  
    end
  end
  </code></pre>
  
  <p>and production.rb</p>
  
  <pre><code>ApplicationNew::Application.configure do
    # Settings specified here will take precedence over those in config/application.rb.
  
    # Code is not reloaded between requests.
    config.cache_classes = true
  
    # Eager load code on boot. This eager loads most of Rails and
    # your application in memory, allowing both thread web servers
    # and those relying on copy on write to perform better.
    # Rake tasks automatically ignore this option for performance.
    config.eager_load = true
  
    # Full error reports are disabled and caching is turned on.
    config.consider_all_requests_local       = false
    config.action_controller.perform_caching = true
  
    # Enable Rack::Cache to put a simple HTTP cache in front of your application
    # Add `rack-cache` to your Gemfile before enabling this.
    # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
    # config.action_dispatch.rack_cache = true
  
    # Disable Rails's static asset server (Apache or nginx will already do this).
    config.serve_static_assets = false
  
    # Compress JavaScripts and CSS.
    config.assets.js_compressor = :uglifier
    # config.assets.css_compressor = :sass
  
    # Do not fallback to assets pipeline if a precompiled asset is missed.
    config.assets.compile = false
  
    # Generate digests for assets URLs.
    config.assets.digest = true
  
    # Version of your assets, change this if you want to expire all your assets.
    config.assets.version = '1.0'
  
    # Specifies the header that your server uses for sending files.
    # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
    # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
  
    # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
    # config.force_ssl = true
  
    # Set to :debug to see everything in the log.
    config.log_level = :info
  
    # Prepend all log lines with the following tags.
    # config.log_tags = [ :subdomain, :uuid ]
  
    # Use a different logger for distributed setups.
    # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
  
    # Use a different cache store in production.
    # config.cache_store = :mem_cache_store
  
    # Enable serving of images, stylesheets, and JavaScripts from an asset server.
    # config.action_controller.asset_host = "http://assets.example.com"
  
    # Precompile additional assets.
    # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
    # config.assets.precompile += %w( search.js )
  
    # Ignore bad email addresses and do not raise email delivery errors.
    # Set this to true and configure the email server for immediate delivery to raise delivery errors.
    # config.action_mailer.raise_delivery_errors = false
  
    # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
    # the I18n.default_locale when a translation can not be found).
    config.i18n.fallbacks = true
  
    # Send deprecation notices to registered listeners.
    config.active_support.deprecation = :notify
  
    # Disable automatic flushing of the log to improve performance.
    # config.autoflush_log = false
  
    # Use default logging formatter so that PID and timestamp are not suppressed.
    config.log_formatter = ::Logger::Formatter.new
  end
  </code></pre>