There was already a ticket for these fudged tests: https://rt.perl.org/Ticket/Display.html?id=76490 -- that's why I'm closing this ticket.
[perl #124643] Roast rakudo skip/todo test:./S12-construction/new.t line:22 reason: 'parent attributes in initialization'
Christian Bartolomaeus via RT Sun, 17 May 2015 12:53:14 -0700