[1.2.X] Fixed a couple of tests migrated to unit tests in r14279 so they actually and correctly exercise the functionality under test.

Backport of [14981] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14982 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/queries/tests.py

@@ -27,6 +27,12 @@ class BaseQuerysetTest(TestCase):
         except Exception, e:
             self.assertEqual(msg, str(e))
             self.assertTrue(isinstance(e, exc), "Expected %s, got %s" % (exc, type(e)))
+        else:
+            if hasattr(exc, '__name__'):
+                excName = exc.__name__
+            else:
+                excName = str(exc)
+            raise AssertionError, "%s not raised" % excName
 
 
 class Queries1Tests(BaseQuerysetTest):
@@ -1516,12 +1522,12 @@ if sys.version_info[:2] != (2, 6):
             self.assertRaisesMessage(
                 FieldError,
                 'Infinite loop caused by ordering.',
-                LoopX.objects.all
+                lambda: list(LoopX.objects.all()) # Force queryset evaluation with list()
             )
             self.assertRaisesMessage(
                 FieldError,
                 'Infinite loop caused by ordering.',
-                LoopZ.objects.all
+                lambda: list(LoopZ.objects.all()) # Force queryset evaluation with list()
             )
 
             # Note that this doesn't cause an infinite loop, since the default