test (ActiveSupport::Testing::Declarative)

    # File lib/active_support/testing/declarative.rb, line 7
          def test(name, &block)
            test_name = "test_#{name.gsub(/\s+/,'_')}".to_sym
            defined = instance_method(test_name) rescue false
            raise "#{test_name} is already defined in #{self}" if defined
            if block_given?
              define_method(test_name, &block)
            else
              define_method(test_name) do
                flunk "No implementation provided for #{name}"
              end
            end
          end