tests: Move run-pass tests without naming conflicts to ui

src/test/ui/modules/mod_dir_path.rs

@@ -0,0 +1,23 @@
+// run-pass
+#![allow(unused_macros)]
+// ignore-pretty issue #37195
+
+mod mod_dir_simple {
+    #[path = "test.rs"]
+    pub mod syrup;
+}
+
+pub fn main() {
+    assert_eq!(mod_dir_simple::syrup::foo(), 10);
+
+    #[path = "auxiliary"]
+    mod foo {
+        mod two_macros_2;
+    }
+
+    #[path = "auxiliary"]
+    mod bar {
+        macro_rules! m { () => { mod two_macros_2; } }
+        m!();
+    }
+}