diff --git a/src/test/java/com/alibaba/druid/bvt/pool/exception/OracleExceptionSorterTest_closeStmt.java b/src/test/java/com/alibaba/druid/bvt/pool/exception/OracleExceptionSorterTest_closeStmt.java
index 6d5b30deca..dce3dc825f 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/exception/OracleExceptionSorterTest_closeStmt.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/exception/OracleExceptionSorterTest_closeStmt.java
@@ -11,6 +11,7 @@ import com.alibaba.druid.mock.MockConnection;
 import com.alibaba.druid.pool.DruidDataSource;
 import com.alibaba.druid.pool.DruidPooledConnection;
 import com.alibaba.druid.pool.vendor.OracleExceptionSorter;
+import com.alibaba.druid.stat.DruidDataSourceStatManager;
 import com.alibaba.druid.stat.JdbcStatManager;
 import com.alibaba.druid.test.util.OracleMockDriver;
 import com.alibaba.druid.util.JdbcUtils;
@@ -32,8 +33,9 @@ public class OracleExceptionSorterTest_closeStmt extends TestCase {
         dataSource.setMaxOpenPreparedStatements(100);
     }
 
-    protected void tearDowN() throws Exception {
+    protected void tearDown() throws Exception {
         JdbcUtils.close(dataSource);
+        Assert.assertEquals(0, DruidDataSourceStatManager.getInstance().getDataSourceList().size());
     }
 
     public void test_connect() throws Exception {