Fixed #13152 -- Ensure the test client saves the session before writing the session key to the cookie, in case the session engine changes the session key.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12806 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/test/client.py

@@ -428,6 +428,9 @@ class Client(object):
                 request.session = engine.SessionStore()
             login(request, user)
 
+            # Save the session values.
+            request.session.save()
+
             # Set the cookie to represent the session.
             session_cookie = settings.SESSION_COOKIE_NAME
             self.cookies[session_cookie] = request.session.session_key
@@ -440,9 +443,6 @@ class Client(object):
             }
             self.cookies[session_cookie].update(cookie_data)
 
-            # Save the session values.
-            request.session.save()
-
             return True
         else:
             return False