test_tracepoint.rb: include zombies
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_tracepoint.rb: include zombies
free count should include zombies.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e