编译时单元测试报错

[nmyphp]

报错信息如下：

2022-03-17 19:29:15 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:na]
        at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[na:na]
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
2022-03-17 19:29:15 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2022-03-17 19:29:15 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
        at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:na]
        at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[na:na]
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
2022-03-17 19:29:16 INFO org.apache.zookeeper.ZooKeeper - Session: 0x0 closed
2022-03-17 19:29:16 INFO org.apache.zookeeper.ClientCnxn - EventThread shut down
Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 5.638 sec <<< FAILURE!
getTree(com.taobao.pamirs.schedule.zk.ZKToolsTest)  Time elapsed: 0.147 sec  <<< ERROR!
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /schedule
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1073)
        at com.taobao.pamirs.schedule.zk.ZKTools.getTree(ZKTools.java:48)
        at com.taobao.pamirs.schedule.zk.ZKToolsTest.getTree(ZKToolsTest.java:46)

对应的单元测试：ZKToolsTest.getTree