Added allow lint test

Author: RuairidhWilliamson

tests/ui/anon_trait_imports.fixed

@@ -239,18 +239,34 @@ proc_macros::with_span!(
     }
 );
 
-// Limitation: Suggests `use std::any::Any as _::{self};` which looks weird
-// fn use_trait_self_good() {
-//     use std::any::Any::{self};
-//     "foo".type_id();
-// }
-
 // This should warn the import is unused but should not trigger anon_trait_imports
 #[warn(unused)]
 mod unused_import {
 
 }
 
+#[allow(clippy::anon_trait_imports)]
+fn allow_lint_fn() {
+    use std::any::Any;
+
+    "foo".type_id();
+}
+
+#[allow(clippy::anon_trait_imports)]
+mod allow_lint_mod {
+    use std::any::Any;
+
+    fn foo() {
+        "foo".type_id();
+    }
+}
+
+// Limitation: Suggests `use std::any::Any as _::{self};` which looks weird
+// fn use_trait_self_good() {
+//     use std::any::Any::{self};
+//     "foo".type_id();
+// }
+
 // Limitation: Suggests `use std::any::{Any as _, Any as _};`
 // mod repeated_renamed {
 //     use std::any::{Any, Any as MyAny};

tests/ui/anon_trait_imports.rs

@@ -239,18 +239,34 @@ proc_macros::with_span!(
     }
 );
 
-// Limitation: Suggests `use std::any::Any as _::{self};` which looks weird
-// fn use_trait_self_good() {
-//     use std::any::Any::{self};
-//     "foo".type_id();
-// }
-
 // This should warn the import is unused but should not trigger anon_trait_imports
 #[warn(unused)]
 mod unused_import {
     use std::any::Any;
 }
 
+#[allow(clippy::anon_trait_imports)]
+fn allow_lint_fn() {
+    use std::any::Any;
+
+    "foo".type_id();
+}
+
+#[allow(clippy::anon_trait_imports)]
+mod allow_lint_mod {
+    use std::any::Any;
+
+    fn foo() {
+        "foo".type_id();
+    }
+}
+
+// Limitation: Suggests `use std::any::Any as _::{self};` which looks weird
+// fn use_trait_self_good() {
+//     use std::any::Any::{self};
+//     "foo".type_id();
+// }
+
 // Limitation: Suggests `use std::any::{Any as _, Any as _};`
 // mod repeated_renamed {
 //     use std::any::{Any, Any as MyAny};

tests/ui/anon_trait_imports.stderr

@@ -1,5 +1,5 @@
 error: unused import: `std::any::Any`
-  --> tests/ui/anon_trait_imports.rs:251:9
+  --> tests/ui/anon_trait_imports.rs:245:9
    |
 LL |     use std::any::Any;
    |         ^^^^^^^^^^^^^