Update persondao.test.js

dao/persondao.test.js

@@ -99,7 +99,7 @@ test("get all persons from db", done => {
     console.log(
       "Test callback: status=" + status + ", data.length=" + data.length
     );
-    expect(data.length).toBe(2000);
+    expect(data.length).toBe(2);
     done();
   }