Made tests more readable - missed a function

tests/mat.rs

@@ -54,13 +54,11 @@ macro_rules! test_cholesky_impl(
 
       let result = na::cholesky(&randmat);
 
-      match result {
+      assert!(result.is_ok());
-        Ok(v) => {
+
+      let v = result.unwrap();
       let recomp = v * na::transpose(&v);
       assert!(na::approx_eq(&randmat,  &recomp));
-                 },
-        Err(_) => assert!(false),
-      }
     }
   );
 );