TD-11700 Deal with the probabilistic failure of unique/dnode/alternativeRole.sim

tests/script/unique/dnode/alternativeRole.sim

@@ -30,7 +30,15 @@ sql create dnode $hostname2
 system sh/exec.sh -n dnode2 -s start
 sql create dnode $hostname3
 system sh/exec.sh -n dnode3 -s start
-sleep 5000
+sleep 3000
+
+$x = 0
+show1: 
+	$x = $x + 1
+	sleep 1000
+	if $x == 30 then
+		return -1
+	endi
 
 sql show dnodes
 print dnode1 $data5_1
@@ -38,27 +46,34 @@ print dnode1 $data5_2
 print dnode1 $data5_3
 
 if $data5_1 != mnode then
-  return -1
+  goto show1
 endi
 if $data5_2 != vnode then
-  return -1
+  goto show1
 endi
 if $data5_3 != any then
-  return -1
+  goto show1
 endi
 
+show2: 
+	$x = $x + 1
+	sleep 1000
+	if $x == 30 then
+		return -1
+	endi
+
 sql show mnodes
 print dnode1 ==> $data2_1
 print dnode2 ==> $data2_2
 print dnode3 ==> $data2_3
 if $data2_1 != master then
-  return -1
+  goto show2
 endi
 if $data2_2 != null then
-  return -1
+  goto show2
 endi
 if $data2_3 != slave then
-  return -1
+  goto show2
 endi
 
 print ========== step2
@@ -72,26 +87,28 @@ sql create table d1.t6 (ts timestamp, i int)
 sql create table d1.t7 (ts timestamp, i int)
 sql create table d1.t8 (ts timestamp, i int)
 
+show3: 
+	$x = $x + 1
+	sleep 1000
+	if $x == 30 then
+		return -1
+	endi
+
 sql show dnodes
 print dnode1 $data2_1
 print dnode2 $data2_2
 print dnode3 $data2_3
 
 if $data2_1 != 0 then
-  return -1
+  goto show3
 endi
 if $data2_2 != 1 then
-  return -1
+  goto show3
 endi
 if $data2_3 != 1 then
-  return -1
+  goto show3
 endi
 
 system sh/exec.sh -n dnode1 -s stop  -x SIGINT
 system sh/exec.sh -n dnode2 -s stop  -x SIGINT
-system sh/exec.sh -n dnode3 -s stop  -x SIGINT
-system sh/exec.sh -n dnode4 -s stop  -x SIGINT
-system sh/exec.sh -n dnode5 -s stop  -x SIGINT
-system sh/exec.sh -n dnode6 -s stop  -x SIGINT
-system sh/exec.sh -n dnode7 -s stop  -x SIGINT
-system sh/exec.sh -n dnode8 -s stop  -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode3 -s stop  -x SIGINT
\ No newline at end of file