Hi,

I looked at these two Travis builds on Linux

DATE              BUILD
====              =====
June  3, 2016    https://travis-ci.org/twisted/twisted/builds/135219940
June 30, 2016    https://travis-ci.org/twisted/twisted/builds/141426367


I noticed:

DATE             Tests on Python 2.7
====              =====================================
June  3, 2016     11438 (skips=3013, successes=8425)
June 30, 2016    11496 (skips=2063, successes=9433)


DATE             Tests on Python 3.5
====               =====================================
June  3, 2016     6367 (skips=1533, successes=4834)
June 30, 2016    7902 (skips=1693, successes=6209)