update

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>

Author: hawkingrei

pkg/server/handler/optimizor/plan_replayer_test.go

@@ -33,6 +33,7 @@ import (
 	"github.com/BurntSushi/toml"
 	"github.com/go-sql-driver/mysql"
 	"github.com/pingcap/failpoint"
+	"github.com/pingcap/tidb/pkg/config"
 	"github.com/pingcap/tidb/pkg/domain"
 	"github.com/pingcap/tidb/pkg/kv"
 	"github.com/pingcap/tidb/pkg/parser/model"