This test is actually passing. I unfudged the test with commit https://github.com/perl6/roast/commit/b62c8ee446.
[perl #125002] Roast rakudo skip/todo test:./S05-capture/caps.t line:77 reason: '&& caps on jvm'
Christian Bartolomaeus via RT Sat, 09 May 2015 00:27:13 -0700
