* The warnings are shown by Thread.report_on_exception defaulting to
true. [Feature #14143] [ruby-core:83979]
* Improves tests by narrowing down the scope where an exception
is expected.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e