Made the test use wall time so it can measure sleeps.  Also changed a few assert_equals to assert_in_deltas
Made the test use wall time so it can measure sleeps.  Also changed a few assert_equals to assert_in_deltas

git-svn-id: a649f8b53cef7d15963550bf81aeba716f52dec1@30 5fb4a865-4516-0410-ae3b-a609ddf12040

mag/ruby-prof,mag/ruby-prof