rspec-rails-setup.rb

# spec/support/factory_bot.rb
RSpec.configure do |config|
  config.include FactoryBot::Syntax::Methods
end

# spec/support/database_cleaner.rb
RSpec.configure do |config|
  config.before(:suite) do
    DatabaseCleaner.strategy = :transaction
    DatabaseCleaner.clean_with(:truncation)
  end

  config.around(:each) do |example|
    DatabaseCleaner.cleaning do
      example.run
    end
  end
end

# spec/support/devise.rb
RSpec.configure do |config|
  config.include Warden::Test::Helpers
end

RSpec.configure do |config|
  config.after :each do
    Warden.test_reset!
  end
end