minor changes

tests/script/general/user/basic1.sim

 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
-system sh/exec.sh -n dnode1 -s start -v
+system sh/exec.sh -n dnode1 -s start
 sql connect
 
 print =============== show users
+sql show users
+if $rows != 1 then 
+  return -1
+endi
+
+print $data00 $data01 $data02
+print $data10 $data11 $data22
+print $data20 $data11 $data22
+
+sql_error show accounts;
+sql_error create account a pass "a"
+sql_error drop account a
+sql_error drop account root
 
 print =============== create user1
 sql create user user1 PASS 'user1'
@@ -17,10 +30,23 @@ print $data10 $data11 $data12
 print $data20 $data11 $data22
 print $data30 $data31 $data32
 
+print =============== create user2
+sql create user user2 PASS 'user2'
+sql show users
+if $rows != 3 then 
+  return -1
+endi
+
+print $data00 $data01 $data02
+print $data10 $data11 $data12
+print $data20 $data11 $data22
+print $data30 $data31 $data32
+print $data40 $data41 $data42
+
 print =============== drop user1
 sql drop user user1
 sql show users
-if $rows != 1 then 
+if $rows != 2 then 
   return -1
 endi
 
@@ -31,4 +57,18 @@ print $data30 $data31 $data32
 
 print =============== restart taosd
 system sh/exec.sh -n dnode1 -s stop
+sleep 1000
+system sh/exec.sh -n dnode1 -s start
+
+print =============== show users
+sql show users
+if $rows != 2 then 
+  return -1
+endi
+
+print $data00 $data01 $data02
+print $data10 $data11 $data22
+print $data20 $data11 $data22
+print $data30 $data31 $data32
 
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file