Speed test_socketserver up from 28.739s to 0.226s, simplify the logic, and make sure all tests run even if some fail.
Speed test_socketserver up from 28.739s to 0.226s, simplify the logic, and make
sure all tests run even if some fail.

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