fix failed test cases

Signed-off-by: Benjamin Wang <[email protected]>

Author: ahrtr

server/etcdserver/api/membership/cluster_test.go

@@ -1048,6 +1048,11 @@ func TestAddMemberSyncsBackendAndStoreV2(t *testing.T) {
 			name:           "Adding member should succeed if it was only in backend",
 			backendMembers: []*Member{alice},
 		},
+		{
+			name:           "Adding member should success if it exists in both",
+			storeV2Members: []*Member{alice},
+			backendMembers: []*Member{alice},
+		},
 		{
 			name:           "Adding member should fail if it exists in storeV2 and backend is nil",
 			storeV2Members: []*Member{alice},

server/etcdserver/server_test.go

@@ -655,6 +655,7 @@ func TestApplyConfigChangeUpdatesConsistIndex(t *testing.T) {
 
 	be, _ := betesting.NewDefaultTmpBackend(t)
 	defer betesting.Close(t, be)
+	cl.SetBackend(be)
 	cindex.CreateMetaBucket(be.BatchTx())
 
 	cl.AddMember(&membership.Member{ID: types.ID(1)}, true)

tests/e2e/ctl_v2_test.go

@@ -22,6 +22,7 @@ import (
 	"testing"
 	"time"
 
+	"go.etcd.io/etcd/server/v3/verify"
 	"go.etcd.io/etcd/tests/v3/framework/e2e"
 )
 
@@ -229,6 +230,10 @@ func TestUtlCtlV2Backup(t *testing.T) {
 func testUtlCtlV2Backup(t *testing.T, snapCount int, v3 bool, utl bool) {
 	BeforeTestV2(t)
 
+	// disable the verification because this case updated the db offline
+	revertFunc := verify.DisableVerification()
+	defer revertFunc()
+
 	backupDir, err := ioutil.TempDir(t.TempDir(), "testbackup0.etcd")
 	if err != nil {
 		t.Fatal(err)