diff --git a/db/tests/vn/workerTimeControlCheck.spec.js b/db/tests/vn/workerTimeControlCheck.spec.js
index 321788670..4869e38a6 100644
--- a/db/tests/vn/workerTimeControlCheck.spec.js
+++ b/db/tests/vn/workerTimeControlCheck.spec.js
@@ -1,6 +1,7 @@
 const app = require('vn-loopback/server/server');
 const ParameterizedSQL = require('loopback-connector').ParameterizedSQL;
 
+// #2257 xdescribe dbtest workerTimeControl_check()
 xdescribe('worker workerTimeControl_check()', () => {
     it(`should throw an error if the worker can't sign on that tablet`, async() => {
         let stmts = [];