From 9ae2c731ed075929b6046b699a2cc355d03ff0a6 Mon Sep 17 00:00:00 2001
From: Stefan Wojcik <wojcikstefan@gmail.com>
Date: Tue, 3 Mar 2015 14:30:09 -0800
Subject: [PATCH] dont drop any system collections

---
 mongoengine/django/tests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mongoengine/django/tests.py b/mongoengine/django/tests.py
index d7fc3939..b130acc8 100644
--- a/mongoengine/django/tests.py
+++ b/mongoengine/django/tests.py
@@ -23,7 +23,7 @@ class MongoTestCase(TestCase):
 
     def dropCollections(self):
         for collection in self.db.collection_names():
-            if collection == 'system.indexes':
+            if collection.startswith('system.'):
                 continue
             self.db.drop_collection(collection)