From 84030ff4a00008a46137ec0a19db7fe7301f97f7 Mon Sep 17 00:00:00 2001
From: Ryan Leung <rleungx@gmail.com>
Date: Thu, 22 Jul 2021 13:14:12 +0800
Subject: [PATCH] *: make TestScatterGroupInConcurrency more stable (#3898)

Signed-off-by: Ryan Leung <rleungx@gmail.com>
---
 server/schedule/region_scatterer_test.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/schedule/region_scatterer_test.go b/server/schedule/region_scatterer_test.go
index 8560af0c998..5e8c3ed4a71 100644
--- a/server/schedule/region_scatterer_test.go
+++ b/server/schedule/region_scatterer_test.go
@@ -299,6 +299,8 @@ func (s *testScatterRegionSuite) TestScatterGroupInConcurrency(c *C) {
 	// Add 5 stores.
 	for i := uint64(1); i <= 5; i++ {
 		tc.AddRegionStore(i, 0)
+		// prevent store from being disconnected
+		tc.SetStoreLastHeartbeatInterval(i, -10*time.Minute)
 	}
 
 	testcases := []struct {