add LoggerServerTest UT (#2713)

* add LoggerServerTest UT

* add LoggerServerTest UT
Co-authored-by: Nqiaozhanwei <qiaozhanwei@analysys.com.cn>

dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/log/LoggerServerTest.java

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.dolphinscheduler.server.log;
+
+import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.service.log.LogClientService;
+import org.junit.Test;
+
+public class LoggerServerTest {
+
+    @Test
+    public void testLoggerServer(){
+        LoggerServer loggerServer = new LoggerServer();
+        loggerServer.start();
+
+        LogClientService logClientService = new LogClientService();
+        logClientService.removeTaskLog("localhost", Constants.RPC_PORT,"/opt/zhangsan");
+
+        try {
+            Thread.sleep(5000);
+        } catch (InterruptedException e) {
+
+        }
+    }
+}

pom.xml

@@ -780,6 +780,7 @@
                         <include>**/remote/FastJsonSerializerTest.java</include>
                         <include>**/remote/NettyRemotingClientTest.java</include>
                         <include>**/remote/ResponseFutureTest.java</include>
+                        <include>**/server/log/LoggerServerTest.java</include>
                         <include>**/server/log/MasterLogFilterTest.java</include>
                         <include>**/server/log/SensitiveDataConverterTest.java</include>
                         <include>**/server/log/TaskLogDiscriminatorTest.java</include>