Lowe's Home Improvement Department Manager - Millwork interview questions

Very quick response on initial interview, interviewed with HR & asst. manager, called back week later with store mgr. Next store manager interview will call in three days, no call, called HR, mgr scheduled 2 meeting today, asst. manager talked , store manager had me evaluate customer service in store while he was doing something, asst manager went over with me about cust. service in store, Mgr in HR office with door open he could hear our discussion. Then after being there a total of one hour mgr comes in and say he will get back with me on Monday????? No offer, No drug test what is up?