def assert test, msg = nil
      msg ||= "Failed assertion, no message given."
      # comment out self.assertions += 1 to counting assertions
      unless test then
        msg = msg.call if Proc === msg
        raise RWebSpec::Assertion, msg
      end
      true
    end
def assert test, msg = nil
      msg ||= "Failed assertion, no message given."
      # comment out self.assertions += 1 to counting assertions
      unless test then
        msg = msg.call if Proc === msg
        raise RWebSpec::Assertion, msg
      end
      true
    end
own assert method