test

dao/persondao.test.js

@@ -94,7 +94,7 @@ test("delete person in db", done => {
         console.log(
             "Test callback: status=" + status + ", data.length=" + data.length
         );
-        expect(data.affectedRows).toBeLessThanOrEqual(1);
+        expect(data.affectedRows).toBeGreaterThanOrEqual(1);
         done();
     }
 

package.json

@@ -13,10 +13,12 @@
     "body-parser": "^1.18.3",
     "express": "^4.16.3",
     "fs": "0.0.1-security",
-    "jest": "^23.6.0",
     "mysql": "^2.16.0"
   },
   "scripts": {
     "test": "jest"
+  },
+  "devDependencies": {
+    "jest": "^23.6.0"
   }
 }