From 4abe75572606fb1892b7cd07ff5b77861ecd7d49 Mon Sep 17 00:00:00 2001
From: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
Date: Fri, 4 Jun 2021 18:24:28 +0800
Subject: [PATCH] executor: Fix unstable TestTiDBLastTxnInfoCommitMode (#24779)
 (#25160)

---
 executor/executor_test.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/executor/executor_test.go b/executor/executor_test.go
index bdf859b04ef64..ca557d742f211 100644
--- a/executor/executor_test.go
+++ b/executor/executor_test.go
@@ -3056,9 +3056,10 @@ func (s *testSerialSuite) TestTiDBLastTxnInfoCommitMode(c *C) {
 	c.Assert(rows[0][1], Equals, "false")
 	c.Assert(rows[0][2], Equals, "false")
 
-	config.UpdateGlobal(func(conf *config.Config) {
-		conf.TiKVClient.AsyncCommit.SafeWindow = 0
-	})
+	c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/invalidMaxCommitTS", "return"), IsNil)
+	defer func() {
+		c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/invalidMaxCommitTS"), IsNil)
+	}()
 
 	tk.MustExec("set @@tidb_enable_async_commit = 1")
 	tk.MustExec("set @@tidb_enable_1pc = 0")