Adjust test_asyncore to account for intentional asyncore behavior change introduced by r70934 that was causing a test failure when run under -O.
Adjust test_asyncore to account for intentional asyncore behavior change
introduced by r70934 that was causing a test failure when run under -O.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator