Run tests against a local Django repository also.

Author: nedbat

tox.ini

@@ -11,9 +11,9 @@
 
 [tox]
 envlist =
-    py27-django{14,15,16,17,18,19,19tip,tip},
-    py34-django{15,16,17,18,19,19tip,tip},
-    py35-django{18,19,19tip,tip},
+    py27-django{14,15,16,17,18,19,19tip,tip,local},
+    py34-django{15,16,17,18,19,19tip,tip,local},
+    py35-django{18,19,19tip,tip,local},
     check,doc
 
 [testenv]
@@ -26,6 +26,7 @@ deps =
     django19: Django >=1.9, <1.10
     django19tip: https://github.com/django/django/archive/stable/1.9.x.tar.gz
     djangotip: https://github.com/django/django/archive/master.tar.gz
+    djangolocal: /src/django/trunk
 
 commands =
     python -c "import tests.banner"