test:add testcase of rolling upgdade

tests/parallel_test/cases.task

@@ -446,7 +446,7 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py -N 6 -M 3
 #,,y,system-test,./pytest.sh python3 ./test.py -f 6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py -N 6 -M 3 -n 3
 ,,n,system-test,python3 ./test.py -f 6-cluster/manually-test/6dnode3mnodeInsertLessDataAlterRep3to1to3.py -N 6 -M 3
-
+#,,n,system-test,python ./test.py  -f 6-cluster/5dnode3mnodeRoll.py  -N 3  -C 1
 ,,y,system-test,./pytest.sh python3 ./test.py -f 6-cluster/5dnode3mnodeAdd1Ddnoe.py -N 7 -M 3 -C 6
 ,,y,system-test,./pytest.sh python3 ./test.py -f 6-cluster/5dnode3mnodeAdd1Ddnoe.py -N 7 -M 3 -C 6 -n 3
 #,,y,system-test,./pytest.sh python3 ./test.py -f 6-cluster/5dnode3mnodeDrop.py -N 5

tests/system-test/6-cluster/clusterCommonCheck.py

@@ -256,12 +256,12 @@ class ClusterComCheck:
                 if  vgroup_status_first.count('leader') == 1 and vgroup_status_first.count('follower') == 2:
                     if vgroup_status_last.count('leader') == 1 and vgroup_status_last.count('follower') == 2:
                         ready_time= (count + 1)
-                        tdLog.success(f"elections of {db_name} all vgroups are ready in {ready_time} s")
+                        tdLog.success(f"elections of {db_name}.vgroups are ready in {ready_time} s")
                         return True
                 count+=1
         else:
             tdLog.debug(tdSql.queryResult)
-            tdLog.notice(f"elections of {db_name} all vgroups are failed in{count}s ")
+            tdLog.notice(f"elections of {db_name} all vgroups are failed in{count} s ")
             caller = inspect.getframeinfo(inspect.stack()[1][0])
             args = (caller.filename, caller.lineno)
             tdLog.exit("%s(%d) failed " % args)