fixes

dao/persondao.test.js

@@ -83,7 +83,7 @@ test("delete person from db", done => {
     console.log(
       "Test callback: status=" + status + ", data.length=" + data.length
     );
-    expect(data.length).toBeLessThan(2);
+    expect(data.affectedRows).toBeGreaterThanOrEqual(1);
     done();
   }
 
@@ -95,7 +95,7 @@ test("update person in db", done => {
     console.log(
       "Test callback: status=" + status + ", data=" + JSON.stringify(data)
     );
-    expect(data.affectedRows).toBeGreaterThanOrEqual(2);
+    expect(data.affectedRows).toBeGreaterThanOrEqual(1);
     done();
   }