un-xfail test for #8498 and replace prints w/ asserts

src/test/run-pass/issue-8498.rs

@@ -8,36 +8,28 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// xfail-test
-
 pub fn main() {
-// This is ok
     match &[(~5,~7)] {
         ps => {
            let (ref y, _) = ps[0];
-           println!("1. y = {}", **y);
            assert!(**y == 5);
         }
     }
 
-// This is not entirely ok
     match Some(&[(~5,)]) {
         Some(ps) => {
            let (ref y,) = ps[0];
-           println!("2. y = {}", **y);
-           if **y != 5 { println!("sadness"); }
+           assert!(**y == 5);
         }
         None => ()
     }
 
-// This is not ok
     match Some(&[(~5,~7)]) {
         Some(ps) => {
            let (ref y, ref z) = ps[0];
-           println!("3. y = {} z = {}", **y, **z);
            assert!(**y == 5);
+           assert!(**z == 7);
         }
         None => ()
     }
 }
-