[Ruby 1.9-Bug#3856][Closed] test_capture_io (test/minitest/test_mini_test.rb:837)が通らない

e$B%A%1%C%He(B #3856 e$B$,99?7$5$l$^$7$?!#e(B (by Usaku NAKAMURA)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

#3858 e$B$K9T$C$?$h$&$J$N$G$3$A$i$Oe(Bclosee$B!#e(B

http://redmine.ruby-lang.org/issues/show/3856