Merge pull request #5611 from taosdata/fix/TD-3581

[TD-3581]<fix>: fix uniq/dnode/remove2.sim step3

tests/script/unique/dnode/remove2.sim

@@ -120,7 +120,8 @@ sql show dnodes
 print dnode1 openVnodes $data2_1
 print dnode2 openVnodes $data2_2
 print dnode3 openVnodes $data2_3
-if $data2_3 != 0 then
+# wait dnode3 create first vgroup in dnode-status msg
+if $data2_3 != 1 then
 	goto step4
 endi
 
@@ -181,4 +182,4 @@ 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 dnode8 -s stop  -x SIGINT