Fix connection test for user with nonempty password
Fix connection test for user with nonempty password

Sannis/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient