pkg/unittest: changelog tweaks
pkg/unittest: changelog tweaks

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//177123014

git-svn-id: b889c0189f1adfea19efba192a3d7a5b889e4120@33173 260f80e4-7a28-3924-810f-c04153c831b5

Pacane/test,greglittlefield-wf/test,d2m/test,kevmoo/test,grouma/test,apwilson/test,Pacane/test,grouma/test,kevmoo/test,apwilson/test,kevmoo/test,iglherme/Guttiest,iglherme/Guttiest,d2m/test,grouma/test,greglittlefield-wf/test,apwilson/test,greglittlefield-wf/test,d2m/test,iglherme/Guttiest