Description
appender config:
<appender name="foo" class="LoggerAppenderConsole" threshold="FOO" />
Expected warning: "Invalid threshold value [FOO]..."
LoggerLevel::toLevel() return always level-debug if default-level is null. If the threshold unknow the default-level (debug in this case) will be returned. There is no need for this warning in line 266-267 LoggerConfigurator.