RubyGems.
* test/test_tracer.rb: ditto. Improved failure message if the test
fails
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37988 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
and consider --disable-gems option.
* test/test_tracer.rb: add tests for it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e