Computer testing first. Computer skills, and a customer service simulation. Depending on the position applied for, there may be a excel, word, or other software test.
If you pass the computer testing, you get an interview. Will last about 45 minutes. Interview consists of role and situation questions. What have you done. What would you do? etc.
Drug and background testing is usually completed at the interview.
If all goes well, you will get a call in about a week.