[soc2009/multidb] Fix the remaining tests that were depending on the out of date setting.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2009/multidb@11407 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/introspection/tests.py

@@ -1,5 +1,5 @@
 from django.conf import settings
-from django.db import connection
+from django.db import connection, DEFAULT_DB_ALIAS
 from django.test import TestCase
 from django.utils import functional
 
@@ -80,7 +80,7 @@ class IntrospectionTests(TestCase):
                           ['IntegerField', 'CharField', 'CharField', 'CharField'])
 
     # Regression test for #9991 - 'real' types in postgres
-    if settings.DATABASE_ENGINE.startswith('postgresql'):
+    if settings.DATABASES[DEFAULT_DB_ALIAS]['DATABASE_ENGINE'].startswith('postgresql'):
         def test_postgresql_real_type(self):
             cursor = connection.cursor()
             cursor.execute("CREATE TABLE django_ixn_real_test_table (number REAL);")