Merged regressiontests and modeltests into the test root.

tests/introspection/models.py

@@ -0,0 +1,35 @@
+from __future__ import unicode_literals
+
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+
+
+@python_2_unicode_compatible
+class Reporter(models.Model):
+    first_name = models.CharField(max_length=30)
+    last_name = models.CharField(max_length=30)
+    email = models.EmailField()
+    facebook_user_id = models.BigIntegerField(null=True)
+
+    class Meta:
+        unique_together = ('first_name', 'last_name')
+
+    def __str__(self):
+        return "%s %s" % (self.first_name, self.last_name)
+
+
+@python_2_unicode_compatible
+class Article(models.Model):
+    headline = models.CharField(max_length=100)
+    pub_date = models.DateField()
+    reporter = models.ForeignKey(Reporter)
+    response_to = models.ForeignKey('self', null=True)
+
+    def __str__(self):
+        return self.headline
+
+    class Meta:
+        ordering = ('headline',)
+        index_together = [
+            ["headline", "pub_date"],
+        ]