if defined?(Rake.application) && Rake.application.top_level_tasks.grep(/^(default$|test(:|$))/).any? ENV['RAILS_ENV'] ||= 'test' end module Rails class TestUnitRailtie < Rails::Railtie config.app_generators do |c| c.test_framework :test_unit, fixture: true, fixture_replacement: nil c.integration_tool :test_unit end rake_tasks do load "rails/test_unit/testing.rake" end end end