diff --git a/tests/modeltests/empty/models.py b/tests/modeltests/empty/models.py
index d57087134e1..a6cdb0aa227 100644
--- a/tests/modeltests/empty/models.py
+++ b/tests/modeltests/empty/models.py
@@ -7,20 +7,6 @@ no fields.
 
 from django.db import models
 
+
 class Empty(models.Model):
     pass
-
-__test__ = {'API_TESTS':"""
->>> m = Empty()
->>> m.id
->>> m.save()
->>> m2 = Empty()
->>> m2.save()
->>> len(Empty.objects.all())
-2
->>> m.id is not None
-True
->>> existing = Empty(m.id)
->>> existing.save()
-
-"""}
diff --git a/tests/modeltests/empty/tests.py b/tests/modeltests/empty/tests.py
new file mode 100644
index 00000000000..01fa1c58cdc
--- /dev/null
+++ b/tests/modeltests/empty/tests.py
@@ -0,0 +1,15 @@
+from django.test import TestCase
+
+from models import Empty
+
+
+class EmptyModelTests(TestCase):
+    def test_empty(self):
+        m = Empty()
+        self.assertEqual(m.id, None)
+        m.save()
+        m2 = Empty.objects.create()
+        self.assertEqual(len(Empty.objects.all()), 2)
+        self.assertTrue(m.id is not None)
+        existing = Empty(m.id)
+        existing.save()