Need help, tomorrow CSA Interview and scared!!

Well tomorrow I am schedule fot the CSA interview/test for Att, for the bilingual Sales position in Miami, I dont know what to expect if anyone can please give me any ideas how this goes, is this a written test? interview? also i just read in this forum that they checked credit and my credit is not goodI had a chapter 13 bankrupcy 4 years ago and I have restablish my credit, also I wonder is this test is in Spanish or englisg, I am very nervous, also I did not finish college, I did not put that i did on my application but I put that I did some which is not true, please anyone give me some ideas, I am nervous now, I thought that the only test was that on the internet at the beggining.