Dunno know if this helps or not but all you can do is try ur best. Review areas where u know u were weak. Studying NCLEX questions in those areas can be somewhat helpful. In the end, no matter the outcome, at least u can say that u tried ur best.
i was able to become certified through the company I decided to work for. While in school I started working in a nursing home and they paid for me to get my CNA.