diff --git a/dao/persondao.test.js b/dao/persondao.test.js
index b46eb8e867b18aa811724a4b16f8e49d7ada6aba..529128574eb6368ffca093504bc55e8da317bfab 100644
--- a/dao/persondao.test.js
+++ b/dao/persondao.test.js
@@ -84,7 +84,7 @@ test("delete a person from db", done => {
     console.log(
         "Test callback status=" + status + ", data.length=" + data.length
     );
-    expect(data.affectedRows).toBe(0);
+    expect(data.affectedRows).toBe(1);
     done();
   }
   personDao.deleteOne(id= 1, callback)