Add some doc on how to run tests

README.md

@@ -123,6 +123,19 @@ At this point, Django should run correctly:
     python manage.py runserver
 
 
+Running tests
+-------------
+
+There is a set of unit tests you can run with :
+
+    ./manage.py test
+
+LDAP-related tests are disabled by default.
+
+Setup LDAP parameters and activate LDAP in settings to make the LDAP tests
+run.
+
+
 Available commands
 ==================