class Shoulda::Matchers::ActionController::RenderTemplateMatcher

def renders_template?
  @context.__send__(:assert_template, @options, @message)
  @failure_message_when_negated = "Didn't expect to render #{@template}"
  true
rescue Shoulda::Matchers.assertion_exception_class => e
  @failure_message = e.message
  false
end