Add more tests for removing datanode (#15749)

Author: CRZbulabula

integration-test/src/test/java/org/apache/iotdb/confignode/it/removeconfignode/IoTDBRemoveConfigNodeITFramework.java

@@ -46,7 +46,7 @@
 import java.util.concurrent.atomic.AtomicReference;
 
 import static org.apache.iotdb.confignode.it.regionmigration.IoTDBRegionOperationReliabilityITFramework.getDataRegionMap;
-import static org.apache.iotdb.confignode.it.removedatanode.IoTDBRemoveDataNodeITFramework.getConnectionWithSQLType;
+import static org.apache.iotdb.confignode.it.removedatanode.IoTDBRemoveDataNodeUtils.getConnectionWithSQLType;
 import static org.apache.iotdb.util.MagicUtils.makeItCloseQuietly;
 
 public class IoTDBRemoveConfigNodeITFramework {