fix tests

Author: chenyukang

tests/ui/binding/issue-40402-2.stderr

@@ -8,10 +8,14 @@ LL |     let (a, b) = x[0];
    |          data moved here
    |
    = note: move occurs because these variables have types that don't implement the `Copy` trait
-help: consider borrowing here
+help: consider borrowing the pattern binding
    |
-LL |     let (a, b) = &x[0];
-   |                  +
+LL |     let (ref a, b) = x[0];
+   |          +++
+help: consider borrowing the pattern binding
+   |
+LL |     let (a, ref b) = x[0];
+   |             +++
 
 error: aborting due to 1 previous error
 

tests/ui/nll/move-errors.stderr

@@ -156,10 +156,14 @@ LL |         B::V(s) => (),
    |              - ...and here
    |
    = note: move occurs because these variables have types that don't implement the `Copy` trait
-help: consider borrowing here
+help: consider borrowing the pattern binding
+   |
+LL |         B::U(ref d) => (),
+   |              +++
+help: consider borrowing the pattern binding
    |
-LL |     match &x[0] {
-   |           +
+LL |         B::V(ref s) => (),
+   |              +++
 
 error[E0509]: cannot move out of type `D`, which implements the `Drop` trait
   --> $DIR/move-errors.rs:83:11