# File test/test_logger.rb, line 69
    def test_err
      assert_equal(false, @logger.log_err = false)
      @logger.err('HALO')
      assert_not_match(@write_messg, /HALO/)
      assert_equal(1, @flush_call)
      assert_equal(true, @logger.log_err = true)
      @logger.err('HALO')
      assert_match(@write_messg, /HALO/)
      assert_equal(2, @flush_call)
    end