Walmart Overnight Stocker interview questions

I made my online application on a Sunday, by Thursday got a call from the store, asking me if I could attend for an interview the following day. the interview was straight forward, I believe I didn't have to impress them, just by going I already had the job (sort of). The same day I was sent to a clinic to take the drug test and I was told they would call me as soon as they have the drug test and background check results, they say "probably on Monday". The following Monday came, and went, and I received no call, I waited until Wednesday to call them. The personnel agent told me that my results were back, that everything was OK, that the Personnel Office was waiting to reclute more people so we could begin with Orientation, I was told that probably I would receive a call a couple of days later. Well, almost a week has passed since that call, and i have not received anything from them, a call, email, nothing. I call again, and i was told in a somewhat rude way that I had to wait, didn't said how long, just wait. So, I'm waiting