add "tidy-alphabetical" check on "tests" remap list

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/src/core/builder.rs

@@ -317,6 +317,7 @@ const PATH_REMAP: &[(&str, &[&str])] = &[
     (
         "tests",
         &[
+            // tidy-alphabetical-start
             "tests/assembly",
             "tests/codegen",
             "tests/codegen-units",
@@ -338,6 +339,7 @@ const PATH_REMAP: &[(&str, &[&str])] = &[
             "tests/rustdoc-ui",
             "tests/ui",
             "tests/ui-fulldeps",
+            // tidy-alphabetical-end
         ],
     ),
 ];