fixed minor issue with undefined variable in test
fixed minor issue with undefined variable in test

dveeden/mysql-sandbox,datacharmer/mysql-sandbox,iangilfillan/mysql-sandbox,yoku0825/mysql-sandbox,yoku0825/mysql-sandbox,dveeden/mysql-sandbox,datacharmer/mysql-sandbox,yoku0825/mysql-sandbox,datacharmer/mysql-sandbox,iangilfillan/mysql-sandbox,dveeden/mysql-sandbox,iangilfillan/mysql-sandbox