diff --git a/db/tests/vn/workerTimeControlCheck.spec.js b/db/tests/vn/workerTimeControlCheck.spec.js
index 69e702213e..8c365417c9 100644
--- a/db/tests/vn/workerTimeControlCheck.spec.js
+++ b/db/tests/vn/workerTimeControlCheck.spec.js
@@ -318,6 +318,8 @@ fdescribe('worker workerTimeControl_check()', () => {
         let stmts = [];
         let stmt;
 
+        stmts.push('SET @warn := NULL');
+
         stmts.push('START TRANSACTION');
 
         stmt = new ParameterizedSQL(`INSERT INTO vn.workerTimeControl(userFk,timed,manual,direction)
@@ -362,9 +364,9 @@ fdescribe('worker workerTimeControl_check()', () => {
             tabletId
         ]);
         stmts.push(stmt);
-        stmts.push('ROLLBACK');
 
         let warningMessageIndex = stmts.push('SELECT @warn AS warning') - 1;
+        stmts.push('ROLLBACK');
         let sql = ParameterizedSQL.join(stmts, ';');
         let result = await app.models.Worker.rawStmt(sql);
 
@@ -377,6 +379,8 @@ fdescribe('worker workerTimeControl_check()', () => {
         let stmts = [];
         let stmt;
 
+        stmts.push('SET @warn := NULL');
+
         stmts.push('START TRANSACTION');
 
         stmt = new ParameterizedSQL(`INSERT INTO vn.workerTimeControl(userFk,timed,manual,direction)