When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
several tests (ACLEntryTest, TestBug4409, etc.) easier to understand
that they are tests for DRb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e