    # File lib/merb-core/test/test_ext/rspec.rb, line 54
            def describe(*args, &example_group_block)
              ret = super

              params = args.last.is_a?(Hash) ? args.last : {}
              if example_group_block
                params[:when] = params[:when] || params[:given]
                [params[:when]].flatten.compact.each do |w|
                  ret.module_eval %{it_should_behave_like "#{w}"}
                end
              end
            end