Add glob import to redundancy test

Author: fabric-and-ink

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

@@ -11,8 +11,17 @@ fn baz() -> Bar {
     3
 }
 
+mod m1 { pub struct S {} }
+mod m2 { pub struct S {} }
+
+use m1::*;
+use m2::*;
+
 fn main() {
     use crate::foo::Bar; //~ WARNING redundant import
     let _a: Bar = 3;
     baz();
+
+    use m1::S; //~ WARNING redundant import
+    let _s = S {};
 }

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

@@ -1,15 +1,36 @@
+warning: unused import: `m1::*`
+  --> $DIR/use-redundant.rs:17:5
+   |
+LL | use m1::*;
+   |     ^^^^^
+   |
+note: lint level defined here
+  --> $DIR/use-redundant.rs:2:9
+   |
+LL | #![warn(unused_imports)]
+   |         ^^^^^^^^^^^^^^
+
+warning: unused import: `m2::*`
+  --> $DIR/use-redundant.rs:18:5
+   |
+LL | use m2::*;
+   |     ^^^^^
+
 warning: the item `Bar` is imported redundantly
-  --> $DIR/use-redundant.rs:15:9
+  --> $DIR/use-redundant.rs:21:9
    |
 LL | use crate::foo::Bar;
    |     --------------- the item `Bar` was already imported here
 ...
 LL |     use crate::foo::Bar;
    |         ^^^^^^^^^^^^^^^
+
+warning: the item `S` is imported redundantly
+  --> $DIR/use-redundant.rs:25:9
    |
-note: lint level defined here
-  --> $DIR/use-redundant.rs:2:9
-   |
-LL | #![warn(unused_imports)]
-   |         ^^^^^^^^^^^^^^
+LL | use m1::*;
+   |     ----- the item `S` was already imported here
+...
+LL |     use m1::S;
+   |         ^^^^^