Setting up Rails TDD Environment with Rspec

Gemfile

# In console:
# Ignores the setting up of Test::Unit by default
$ rails new app_name -T 

# In Gemfile add the following gems:
group :test, :development do
  gem 'turn'
  gem 'rspec-rails'
  gem 'capybara'
  gem 'guard-rspec'
  gem 'growl_notify'
end