# File test/test_logger.rb, line 91
    def test_err
      @logger.level = Rucy::LoggingLevel::LOG_ERR
      @logger.emerg("emerg\n")
      @logger.alert("alert\n")
      @logger.crit("crit\n")
      @logger.err("err\n")
      @logger.warning("warning\n")
      @logger.notice("notice\n")
      @logger.info("info\n")
      @logger.debug("debug\n")
      assert_equal(4, @write_call)
      assert_equal(4, @flush_call)
      assert_match(@write_list[0], /: emerg$/)
      assert_match(@write_list[1], /: alert$/)
      assert_match(@write_list[2], /: crit$/)
      assert_match(@write_list[3], /: err$/)
    end