Your going to need to be a bit more specific. Are you referring to shit tests or just girls displaying bad behavior? If shit tests, then go here:
http://www.fastseduction.com/cgi-bin/se ... 1726052964
If bad behavior, then you just have to ignore them. If you really want, then you can explain ONCE why you think she is behaving badly and what the consequences will be if she continues to do so. I did this once to a girl who blatantly expected me to pay for every date we went on, and she'd disappear to the bathroom whenever a check would come (oh, and she wasn't broke or anything). On the third date I said, "Look, I WAS just going to never call you again, but I thought I would just tell you that this whole expecting me to pay for everything isn't okay and can't continue if you ever want to see me again." She looked at me like I had just grown a second head, but her behavior improved dramatically after that.
However, if you explain the consequences of bad behavior, then you have to be willing to follow through.
-Wolf