diff --git a/src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest_notEmptyWait.java b/src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest_notEmptyWait.java
index 8abfb98341..d8338afc54 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest_notEmptyWait.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest_notEmptyWait.java
@@ -77,6 +77,7 @@ public class DruidDataSourceTest_notEmptyWait extends TestCase {
 
         endLatch.await(100, TimeUnit.MILLISECONDS);
         
+        Thread.sleep(10);
         Assert.assertEquals(0, dataSource.getNotEmptyWaitThreadCount());
         Assert.assertEquals(10, dataSource.getNotEmptyWaitThreadPeak());
     }