Reduce log output during unit testing in log42j.TEST.xml

[charanbhatia]

Reduce log output during unit testing in log42j.TEST.xml closes #1791

Changed the Configuration status and ThresholdFilter level to "WARN". Added a Console appender for easier debugging during tests. Modified the Root logger level to "WARN". Added specific loggers: Kept "INFO" level for your application package (ai.elimu). Set "WARN" level for common libraries like Spring and Hibernate. Added the Console appender to the Root logger.