Merge pull request #901 from elasticsales/fix-test-with-profiling

Fix the unit tests for mongodb w/ profiling enabled

mongoengine/django/tests.py

@@ -23,7 +23,7 @@ def __init__(self, methodName='runtest'):
 
     def dropCollections(self):
         for collection in self.db.collection_names():
-            if collection == 'system.indexes':
+            if collection.startswith('system.'):
                 continue
             self.db.drop_collection(collection)