Fixup tests/dimension.rs

Author: bluss

tests/dimension.rs

@@ -34,7 +34,7 @@ fn dyn_dimension()
     let a = arr2(&[[1., 2.], [3., 4.0]]).into_shape(vec![2, 2]).unwrap();
     assert_eq!(&a - &a, Array::zeros(vec![2, 2]));
     assert_eq!(a[&[0, 0][..]], 1.);
-    assert_eq!(a[vec![0, 0]], 1.);
+    assert_eq!(a[[0, 0]], 1.);
 
     let mut dim = vec![1; 1024];
     dim[16] = 4;