Improved test output for estr-slice

Author: ohsayan

src/test/run-pass/array-slice-vec/estr-slice.rs

@@ -14,7 +14,7 @@ pub fn main() {
 
     let z : &str = "thing";
     assert_eq!(v, x);
-    assert!(x != z);
+    assert_ne!(x, z);
 
     let a = "aaaa";
     let b = "bbbb";
@@ -26,23 +26,23 @@ pub fn main() {
 
     assert!(a < b);
     assert!(a <= b);
-    assert!(a != b);
+    assert_ne!(a, b);
     assert!(b >= a);
     assert!(b > a);
 
     println!("{}", b);
 
     assert!(a < c);
     assert!(a <= c);
-    assert!(a != c);
+    assert_ne!(a, c);
     assert!(c >= a);
     assert!(c > a);
 
     println!("{}", c);
 
     assert!(c < cc);
     assert!(c <= cc);
-    assert!(c != cc);
+    assert_ne!(c, cc);
     assert!(cc >= c);
     assert!(cc > c);