Why do you think it's strange?
i just think its ttrange because in almost any other setting it might be considered cheating. like rapunzel said, many of his/her tests have been almost identical to the practice tests. granted law school tests are different, so its not like you can just memorize answers and come in and ace the test, like you could with some areas of study, but it just seems like to me that professors would want you to prepare for the test in such a way that you would be unable to predict what would be tested. that way you would have to be knowledgable in all the fields that were covered.
dont get me wrong, i'm not complaining about it. if schools want to offer tests out then i'm all for it, i'll take every chance available to help me do better in school, but the truth is that i'm just a little surprised by it.