Fix C API mysql_get_character_set_info() test

This patch fixes the C API mysql_get_character_set_info() test failure,
which was introduced by changes in MySQL 8.0.30 and 5.7.38.

Change-Id: I964efce78beb145da58b82b274a801a22c5dfcc2

Author: nmariz

tests/cext/test_cext_api.py

@@ -39,6 +39,7 @@
 import tests
 
 from mysql.connector.constants import ClientFlag, ServerFlag
+from mysql.connector.version import VERSION
 
 try:
     from _mysql_connector import MySQL, MySQLError, MySQLInterfaceError
@@ -295,7 +296,9 @@ def test_get_character_set_info(self):
 
         exp = {
             "comment": "",
-            "name": "utf8_general_ci",
+            "name": "utf8mb3_general_ci"
+            if VERSION[:3] >= (8, 0, 30)
+            else "utf8_general_ci",
             "mbmaxlen": 3,
             "number": 33,
             "mbminlen": 1,