Move /src/test to /tests

tests/ui/modules/mod_dir_recursive.rs

@@ -0,0 +1,14 @@
+// run-pass
+// ignore-pretty issue #37195
+
+// Testing that the parser for each file tracks its modules
+// and paths independently. The load_another_mod module should
+// not try to reuse the 'mod_dir_simple' path.
+
+mod mod_dir_simple {
+    pub mod load_another_mod;
+}
+
+pub fn main() {
+    assert_eq!(mod_dir_simple::load_another_mod::test::foo(), 10);
+}