测试用例，增加Route接口

discovery-springcloud-example-a/src/main/java/com/nepxion/discovery/plugin/example/controller/DiscoveryController.java

@@ -13,7 +13,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.cloud.client.ServiceInstance;