validate builder::PATH_REMAP in bootstrap tests

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

src/bootstrap/src/core/builder/tests.rs

@@ -115,6 +115,19 @@ fn test_intersection() {
     assert_eq!(command_paths, vec![Path::new("library/stdarch")]);
 }
 
+#[test]
+fn validate_path_remap() {
+    let build = Build::new(configure("test", &["A"], &["A"]));
+
+    PATH_REMAP
+        .iter()
+        .flat_map(|(_, paths)| paths.iter())
+        .map(|path| build.src.join(path))
+        .for_each(|path| {
+            assert!(path.exists(), "{} should exist.", path.display());
+        });
+}
+
 #[test]
 fn test_exclude() {
     let mut config = configure("test", &["A"], &["A"]);