Blacklist a few more twisted tests that seem flaky

diff --git a/tornado/test/twisted_test.py b/tornado/test/twisted_test.py
index 152d227857b8db07acd4cb3ebeaf2891a31900fa..1a454817f36b98cc71466284493bff2a7be39484 100644 (file)
--- a/tornado/test/twisted_test.py
+++ b/tornado/test/twisted_test.py
@@ -481,6 +481,13 @@ else:
             # if we were running twisted's own test runner.
             'test_connectToLinuxAbstractNamespace',
             'test_listenOnLinuxAbstractNamespace',
+            # These tests use twisted's sendmsg.c extension and sometimes
+            # fail with what looks like uninitialized memory errors
+            # (more common on pypy than cpython, but I've seen it on both)
+            'test_sendFileDescriptor',
+            'test_sendFileDescriptorTriggersPauseProducing',
+            'test_descriptorDeliveredBeforeBytes',
+            'test_avoidLeakingFileDescriptors',
             ],
         'twisted.internet.test.test_unix.UNIXDatagramTestsBuilder': [
             'test_listenOnLinuxAbstractNamespace',