Enhancement: Support IT case

Author: yuanoOo

flink-cdc-e2e-tests/flink-cdc-source-e2e-tests/src/test/resources/log4j2-test.properties

@@ -15,7 +15,7 @@
 
 # Set root logger level to ERROR to not flood build logs
 # set manually to INFO for debugging purposes
-rootLogger.level=ERROR
+rootLogger.level=INFO
 rootLogger.appenderRef.test.ref = TestLogger
 
 appender.testlogger.name = TestLogger