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