fix obtest create_table_if_not_exists & alter deploy test owner

tools/deploy/mysql_test/test_suite/information_schema/t/information_schema_desc.test

 --disable_query_log
 set @@session.explicit_defaults_for_timestamp=off;
 --enable_query_log
-#owner: yanmu.ztl
+#owner: wangwanhong.wwh
 #owner group:sql2
 #tags: ddl
 #description:information schema

tools/deploy/mysql_test/test_suite/inner_table/t/inner_table_overall.test

 --disable_query_log
 set @@session.explicit_defaults_for_timestamp=off;
 --enable_query_log
-#owner: yanmu.ztl
+#owner: wangwanhong.wwh
 #owner group: SQL2
 # tags: optimizer
 #description: 该case是为了验证内部表是否符合规范