added some clean up in the setup to remove any old docs between tests

Author: Mark Unsworth

tests/contrib/tests.py

@@ -121,6 +121,9 @@ def test_map_reduce_with_custom_primary_key(self, inline=False):
 class RawQueryTests(TestCase):
 
     def setUp(self):
+
+        MapReduceModel.objects.all().delete()
+
         for i in xrange(10):
             MapReduceModel.objects.create(n=i, m=i * 2)
 
@@ -156,6 +159,10 @@ def test_raw_update(self):
 # TODO: Line breaks.
 class FullTextTest(TestCase):
 
+    def setUp(self):
+        Post.objects.all().delete()
+
+
     def test_simple_fulltext(self):
         blog = Post(content="simple, full text.... search? test")
         blog.save()