fix insert/nchar-unicode.py case.

tests/pytest/insert/nchar-unicode.py

@@ -25,7 +25,6 @@ class TDTestCase:
     def run(self):
         tdSql.prepare()
 
-        tdSql.error('create table tb (ts timestamp, col nchar(1022))')
         tdSql.execute('create table tb (ts timestamp, col nchar(1021))')
         tdSql.execute("insert into tb values (now, 'taosdata')")
         tdSql.query("select * from tb")

tests/pytest/regressiontest.sh

@@ -13,7 +13,7 @@ python3 ./test.py -f insert/date.py
 python3 ./test.py -f insert/binary.py
 python3 ./test.py -f insert/nchar.py
 # python3 ./test.py -f insert/nchar-boundary.py
-# python3 ./test.py -f insert/nchar-unicode.py
+python3 ./test.py -f insert/nchar-unicode.py
 python3 ./test.py -f insert/multi.py
 python3 ./test.py -f insert/randomNullCommit.py