update druid config for test env.

config-center-server/src/main/resources/examcloud/test-240/application.properties

@@ -31,8 +31,8 @@ spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 
 #druid
-spring.datasource.druid.initial-size=20
-spring.datasource.druid.min-idle=20
+spring.datasource.druid.initial-size=2
+spring.datasource.druid.min-idle=2
 spring.datasource.druid.max-active=350
 spring.datasource.druid.max-wait=3000
 spring.datasource.druid.validation-query=SELECT 1

config-center-server/src/main/resources/examcloud/test-41/application.properties

@@ -31,8 +31,8 @@ spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 
 #druid
-spring.datasource.druid.initial-size=20
-spring.datasource.druid.min-idle=20
+spring.datasource.druid.initial-size=2
+spring.datasource.druid.min-idle=2
 spring.datasource.druid.max-active=350
 spring.datasource.druid.max-wait=3000
 spring.datasource.druid.validation-query=SELECT 1