def Feature(name, &block)
  test_class = Class.new(class_name(name), Test::Unit::TestCase)
  test_class.class_eval do
    def default_test
      statements = []
      ObjectSpace.each_object(Statement) { |s| statements << s }
      statements.reverse.each { |s| s.block.call }
    end
  end
 
  test_class.class_eval(&block)
 
end