tests: reduce some flaky timeout tests

pkg/executor/test/cte/cte_test.go

@@ -167,11 +167,15 @@ func TestCTEDelSpillFile(t *testing.T) {
 	tk.MustExec("drop table if exists t1, t2;")
 	tk.MustExec("create table t1(c1 int, c2 int);")
 	tk.MustExec("create table t2(c1 int);")
-	tk.MustExec("set @@cte_max_recursion_depth = 1000000;")
-	tk.MustExec("set global tidb_mem_oom_action = 'log';")
-	tk.MustExec("set @@tidb_mem_quota_query = 100;")
 	tk.MustExec("insert into t2 values(1);")
-	tk.MustExec("insert into t1 (c1, c2) with recursive cte1 as (select c1 from t2 union select cte1.c1 + 1 from cte1 where cte1.c1 < 100000) select cte1.c1, cte1.c1+1 from cte1;")
+	tk.MustExec("set @@cte_max_recursion_depth = 100;")
+	tk.MustExec("set @@tidb_mem_quota_query = 100;")
+	tk.MustExec("set global tidb_mem_oom_action = 'cancel';")
+	// Make sure the OOM happens.
+	tk.MustExecToErr("insert into t1 (c1, c2) with recursive cte1 as (select c1 from t2 union select cte1.c1 + 1 from cte1 where cte1.c1 < 100) select cte1.c1, cte1.c1+1 from cte1;")
+	tk.MustExec("set global tidb_mem_oom_action = 'log';")
+	// Test that the storage is cleaned as expected.
+	tk.MustExec("insert into t1 (c1, c2) with recursive cte1 as (select c1 from t2 union select cte1.c1 + 1 from cte1 where cte1.c1 < 100) select cte1.c1, cte1.c1+1 from cte1;")
 	require.Nil(t, tk.Session().GetSessionVars().StmtCtx.CTEStorageMap)
 }
 

pkg/infoschema/test/clustertablestest/cluster_tables_test.go

@@ -911,7 +911,8 @@ func TestMDLView(t *testing.T) {
 	}
 }
 
-func TestMDLViewPrivilege(t *testing.T) {
+func TestMDLViewWithNoPrivilege(t *testing.T) {
+	// It's with TestMDLViewWithPrivilege. Split to two tests just because it runs too much time.
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
 	require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil, nil))
@@ -920,9 +921,14 @@ func TestMDLViewPrivilege(t *testing.T) {
 	require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "test", Hostname: "%"}, nil, nil, nil))
 	_, err := tk.Exec("select * from mysql.tidb_mdl_view;")
 	require.ErrorContains(t, err, "view lack rights")
+}
 
+func TestMDLViewWithPrivilege(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
 	// grant all privileges to test user.
 	require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil, nil))
+	tk.MustExec("create user 'test'@'%' identified by '';")
 	tk.MustExec("grant all privileges on *.* to 'test'@'%';")
 	tk.MustExec("flush privileges;")
 	require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "test", Hostname: "%"}, nil, nil, nil))

pkg/planner/core/memtable_infoschema_extractor_test.go

@@ -390,6 +390,12 @@ func TestMemtableInfoschemaExtractorPart1(t *testing.T) {
 			prepareData:  prepareDataViews,
 			cleanData:    cleanDataViews,
 		},
+	}
+	testMemtableInfoschemaExtractor(t, tcs)
+}
+
+func TestMemtableInfoschemaExtractorPart2(t *testing.T) {
+	tcs := []testCase{
 		{
 			memTableName: infoschema.TableKeyColumn,
 			prepareData:  prepareDataKeyColumnUsage,
@@ -409,7 +415,7 @@ func TestMemtableInfoschemaExtractorPart1(t *testing.T) {
 	testMemtableInfoschemaExtractor(t, tcs)
 }
 
-func TestMemtableInfoschemaExtractorPart2(t *testing.T) {
+func TestMemtableInfoschemaExtractorPart3(t *testing.T) {
 	tcs := []testCase{
 		{
 			memTableName: infoschema.TableStatistics,
@@ -426,6 +432,12 @@ func TestMemtableInfoschemaExtractorPart2(t *testing.T) {
 			prepareData:  prepareDataCheckConstraints,
 			cleanData:    cleanDataCheckConstraints,
 		},
+	}
+	testMemtableInfoschemaExtractor(t, tcs)
+}
+
+func TestMemtableInfoschemaExtractorPart4(t *testing.T) {
+	tcs := []testCase{
 		{
 			memTableName: infoschema.TableTiDBCheckConstraints,
 			prepareData:  prepareDataTidbCheckConstraints,

pkg/planner/core/plan_cost_ver1_test.go

@@ -103,7 +103,7 @@ func TestScanOnSmallTable(t *testing.T) {
 	tk.MustExec("use test")
 	tk.MustExec(`create table t (a int)`)
 	tk.MustExec("insert into t values (1), (2), (3), (4), (5)")
-	tk.MustExec("analyze table t")
+	tk.MustExec("analyze table t all columns")
 	tk.MustExec(`set @@tidb_cost_model_version=2`)
 
 	// Create virtual tiflash replica info.

pkg/server/handler/tests/http_handler_serial_test.go

@@ -454,11 +454,10 @@ func TestDebugRoutes(t *testing.T) {
 		"/debug/pprof/block?debug=1",
 		"/debug/pprof/threadcreate?debug=1",
 		"/debug/pprof/cmdline",
-		"/debug/pprof/profile",
+		"/debug/pprof/profile?seconds=5",
 		"/debug/pprof/mutex?debug=1",
 		"/debug/pprof/symbol",
 		"/debug/pprof/trace",
-		"/debug/pprof/profile",
 		"/debug/gogc",
 		// "/debug/zip", // this creates unexpected goroutines which will make goleak complain, so we skip it for now
 		"/debug/ballast-object-sz",