class Shoulda::Matchers::ActionController::RenderTemplateMatcher

def renders_template?
  begin
    @context.send(:assert_template, @options, @message)
    @negative_failure_message = "Didn't expect to render #{@template}"
    true
  rescue Shoulda::Matchers::AssertionError => error
    @failure_message = error.message
    false
  end
end