Use UTC timestamp in PostgresQueueListenerTest

postgres-persistence/src/test/java/com/netflix/conductor/postgres/util/PostgresQueueListenerTest.java

@@ -99,7 +99,7 @@ private void createQueueMessage(String queue_name, String message_id) {
             conn.setAutoCommit(true);
             PreparedStatement stmt =
                     conn.prepareStatement(
-                            "INSERT INTO queue_message (deliver_on, queue_name, message_id, priority, offset_time_seconds, payload) VALUES (current_timestamp, ?,?,?,?,?)");
+                            "INSERT INTO queue_message (deliver_on, queue_name, message_id, priority, offset_time_seconds, payload) VALUES (current_timestamp AT TIME ZONE 'UTC', ?,?,?,?,?)");
             stmt.setString(1, queue_name);
             stmt.setString(2, message_id);
             stmt.setInt(3, 0);