Merged regressiontests and modeltests into the test root.

tests/admin_views/forms.py

@@ -0,0 +1,11 @@
+from django import forms
+from django.contrib.admin.forms import AdminAuthenticationForm
+
+
+class CustomAdminAuthenticationForm(AdminAuthenticationForm):
+
+    def clean_username(self):
+        username = self.cleaned_data.get('username')
+        if username == 'customform':
+            raise forms.ValidationError('custom form error')
+        return username