Fix tests

Author: fabric-and-ink

src/test/ui/lint/lint-unused-imports.rs

@@ -66,6 +66,7 @@ mod bar {
 
 fn g() {
     use self::g; //~ ERROR unused import: `self::g`
+    //~^ ERROR the item `g` is imported redundantly
     fn f() {
         self::g();
     }
@@ -75,6 +76,7 @@ fn g() {
 #[allow(unused_variables)]
 fn h() {
     use test2::foo; //~ ERROR unused import: `test2::foo`
+    //~^ ERROR the item `foo` is imported redundantly
     let foo = 0;
 }
 

src/test/ui/lint/lint-unused-imports.stderr

@@ -40,6 +40,7 @@ error: the item `g` is imported redundantly
 LL | / fn g() {
 LL | |     use self::g;
    | |         ^^^^^^^
+LL | |
 LL | |     fn f() {
 LL | |         self::g();
 LL | |     }
@@ -53,7 +54,7 @@ LL |     use self::g;
    |         ^^^^^^^
 
 error: the item `foo` is imported redundantly
-  --> $DIR/lint-unused-imports.rs:77:9
+  --> $DIR/lint-unused-imports.rs:78:9
    |
 LL | use test2::{foo, bar};
    |             --- the item `foo` was already imported here
@@ -62,7 +63,7 @@ LL |     use test2::foo;
    |         ^^^^^^^^^^
 
 error: unused import: `test2::foo`
-  --> $DIR/lint-unused-imports.rs:77:9
+  --> $DIR/lint-unused-imports.rs:78:9
    |
 LL |     use test2::foo;
    |         ^^^^^^^^^^

src/test/ui/lint/use-redundant.rs

@@ -1,4 +1,5 @@
 // compile-pass
+#![warn(unused_imports)]
 
 use crate::foo::Bar; //~ WARNING first import
 

src/test/ui/lint/use-redundant.stderr

@@ -1,11 +1,15 @@
 warning: the item `Bar` is imported redundantly
-  --> $DIR/use-redundant.rs:14:9
+  --> $DIR/use-redundant.rs:15:9
    |
 LL | use crate::foo::Bar;
-   |     --------------- the item `Bar` was imported here
+   |     --------------- the item `Bar` was already imported here
 ...
 LL |     use crate::foo::Bar;
    |         ^^^^^^^^^^^^^^^
    |
-   = note: #[warn(redundant_import)] on by default
+note: lint level defined here
+  --> $DIR/use-redundant.rs:2:9
+   |
+LL | #![warn(unused_imports)]
+   |         ^^^^^^^^^^^^^^