better testing

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/modules/payment_eway/trunk@4801 950b781c-c544-efab-2f99-90083ee69683
better testing

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/modules/payment_eway/trunk@4802 950b781c-c544-efab-2f99-90083ee69683