test_beginendblock.rb, test_signal.rb: run with default handler

* test/ruby/test_beginendblock.rb (test_propagate_signaled): run
  with default handler.

* test/ruby/test_signal.rb (test_hup_me): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-05-10

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45892 b2dd03c8-39d4-4d8f-98ff-823fe69b080e