Description:

Set up your rails project for fast efficient testing.

Example:

rails generate spec_harness

This will create:
  spec/spec_helper.rb
  spec/support/.keep
  .rspec
  spec/actions_spec_helper.rb
  spec/support_actions/.keep
  spec/actions/.keep
  app/actions/.keep
  spec/decorators_spec_helper.rb
  spec/support_decorators/.keep
  spec/decorators/.keep
  app/decorators/.keep
  spec/features_spec_helper.rb
  spec/support_features/.keep
  spec/features/.keep
  app/features/.keep
  spec/forms_spec_helper.rb
  spec/support_forms/.keep
  spec/forms/.keep
  app/forms/.keep
  spec/models_spec_helper.rb
  spec/support_models/.keep
  spec/models/.keep
  app/models/.keep
  spec/services_spec_helper.rb
  spec/support_services/.keep
  spec/services/.keep
  app/services/.keep

This will add the following gems to your Gemfile under development/test:
  rspec-rails
  shoulda
  capybara
  poltergeist
  factory_girl_rails
  database_cleaner
  simplecov
  simplecov-html
  guard
  guard-rspec
  rb-inotify, require: false
  rb-fsevent, require: false
  rb-fchange, require: false
  better_errors
  binding_of_caller
  meta_request

This will add the following gems ungrouped:
  draper
  fob
  resonsive_service