No, it's both.

src/greentest/test__makefile_ref.py

@@ -134,6 +134,8 @@ class Test(greentest.TestCase):
             self.close_on_teardown = [r() for r in self.close_on_teardown if r() is not None]
             super(Test, self)._tearDownCloseOnTearDown()
 
+# Sometimes its this one, sometimes it's test_ssl. No clue why or how.
+@greentest.skipOnAppVeyor("This sometimes times out for no apparent reason.")
 class TestSocket(Test):
 
     def test_simple_close(self):
@@ -263,7 +265,7 @@ class TestSocket(Test):
             listener.close()
             connector.close()
 
-# And produces no output.  So disabling this half of the test is a guess.
+
 @greentest.skipOnAppVeyor("This sometimes times out for no apparent reason.")
 class TestSSL(Test):