Add unit test for DataSourcePoolReflection against Alibaba Druid #9633

Job	Run time
Import Global Environment / init-environment	5s
E2E - Agent with MySQL (proxy, tracing, jaeger)	7m 6s
E2E - Agent with MySQL (proxy, tracing, zipkin)	6m 59s
E2E - Agent with MySQL (proxy, metrics, prometheus)	7m 52s
E2E - Agent with MySQL (proxy, logging, file)	6m 46s
E2E - Agent with MySQL (jdbc, logging, file)	7m 11s
E2E - Agent with MySQL (jdbc, metrics, prometheus)	7m 31s
E2E - Agent with MySQL (jdbc, tracing, jaeger)	6m 48s
E2E - Agent with MySQL (jdbc, tracing, zipkin)	6m 44s
	57m 2s

Provide feedback