Merged regressiontests and modeltests into the test root.

tests/bulk_create/models.py

@@ -0,0 +1,25 @@
+from django.db import models
+
+
+class Country(models.Model):
+    name = models.CharField(max_length=255)
+    iso_two_letter = models.CharField(max_length=2)
+
+class Place(models.Model):
+    name = models.CharField(max_length=100)
+
+    class Meta:
+        abstract = True
+
+class Restaurant(Place):
+    pass
+
+class Pizzeria(Restaurant):
+    pass
+
+class State(models.Model):
+    two_letter_code = models.CharField(max_length=2, primary_key=True)
+
+class TwoFields(models.Model):
+    f1 = models.IntegerField(unique=True)
+    f2 = models.IntegerField(unique=True)