diff --git a/test/test_bulk.py b/test/test_bulk.py
index <HASH>..<HASH> 100644
--- a/test/test_bulk.py
+++ b/test/test_bulk.py
@@ -1043,7 +1043,7 @@ class TestBulkWriteConcern(BulkTestBase):
                   'op': {'_id': '...', 'a': 1}}]},
             result)
 
-        self.assertEqual(2, len(result['writeConcernErrors']))
+        self.assertTrue(len(result['writeConcernErrors']) > 1)
         failed = result['writeErrors'][0]
         self.assertTrue("duplicate" in failed['errmsg'])
Fix a bulk operations test for MongoDB <I> behavior change