Un-xfail working tests

Author: catamorphism

src/test/compile-fail/private-struct-field-cross-crate.rs

@@ -1,4 +1,3 @@
-// xfail-fast
 // aux-build:cci_class.rs
 extern mod cci_class;
 use cci_class::kitties::*;

src/test/pretty/issue-929.rs

@@ -1,4 +1,3 @@
-// xfail-test
 fn f() { if (1 == fail) { } else { } }
 
 fn main() { }