Successful shaper unit test.

git-svn-id: svn://graphite/diminuto/trunk@601 5dfbf39a-1452-0410-8a97-9e58fedde8e3
Minor tweaks to shaper and throttle unit tests.

git-svn-id: svn://graphite/diminuto/trunk@602 5dfbf39a-1452-0410-8a97-9e58fedde8e3