test: add user test cases into ci

tests/script/general/user/authority.sim

-system sh/stop_dnodes.sh
-system sh/deploy.sh -n dnode1 -i 1
-system sh/exec.sh -n dnode1 -s start
-sql connect
-sleep 2000
-
-print ============= step1
-sql create user read pass 'taosdata'
-sql create user write pass 'taosdata'
-sql show users
-if $rows != 5 then
-  return -1
-endi
-
-print ============= step2
-sql close
-sql connect read
-sleep 2000
-
-sql create database dread
-sql show databases
-if $rows != 1 then
-  return -1
-endi
-
-print ============= step3
-sql close
-sql connect write
-sleep 2000
-
-sql create database dwrite
-sql show databases
-if $rows != 2 then
-  return -1
-endi
-
-print ============ step4
-sql close
-sql connect
-sleep 2000
-
-sql show databases
-if $row != 2 then
-  return -1
-endi
-
-print ============ step5
-sql close
-sql connect read
-sleep 2000
-sql drop database dread
-sql drop database dwrite
-
-
-sql close
-sql connect
-sql show databases
-if $rows != 0 then
-  return -1
-endi
-
-sql close
-sql connect
-sleep 2000
-
-system sh/exec.sh -n dnode1 -s stop  -x SIGINT
\ No newline at end of file

tests/script/general/user/user_create.sim

-system sh/stop_dnodes.sh
-system sh/deploy.sh -n dnode1 -i 1
-system sh/exec.sh -n dnode1 -s start
-sql connect
-
-print =============== step1
-sql show users
-if $rows != 1 then 
-  return -1
-endi
-
-sql create user read PASS 'pass123'
-sql create user read PASS 'pass123' -x step1
-	return -1
-step1:
-
-sql show users
-if $rows != 2 then 
-  return -1
-endi
-
-sql alter user read PASS 'taosdata'
-
-print =============== step2
-sql close
-sql connect read
-sleep 2000
-
-sql alter user read PASS 'taosdata'
-
-print =============== step3
-sql drop user read -x step31
-  return -1
-step31:
-sql drop user _root -x step32
-  return -1
-step32:
-sql drop user monitor -x step33
-  return -1
-step33:
-
-print =============== step4
-sql close
-sql connect
-sleep 2000
-
-sql alter user read privilege read
-sql show users
-print $data1_read
-if $data1_read != readable then 
-  return -1
-endi
-
-sql_error alter user read privilege super
-sql show users
-print $data1_read
-if $data1_read != readable then
-  return -1
-endi
-
-sql alter user read privilege write
-sql show users
-print $data1_read
-if $data1_read != writable then 
-  return -1
-endi
-
-sql alter user read privilege 1 -x step43
-  return -1
-step43:
-
-sql drop user _root -x step41
-  return -1
-step41:
-
-sql drop user monitor -x step42
-  return -1
-step42:
-
-sql drop user read
-
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file