[tooling] Fix Permission Error [WinError32] during cleanup (git-mastery#253)

Author: desmondwong1215

exercise_utils/test.py

@@ -208,15 +208,21 @@ def __exit__(
         for patch in self.__patches:
             patch.stop()
 
-        if self.__temp_dir is not None:
-            self.__temp_dir.cleanup()
+        if self.__rs and self.__rs.repo:
+            self.__rs.repo.close()
+        if self.__rs_remote and self.__rs_remote.repo:
+            self.__rs_remote.repo.close()
 
         if self.__rs_context is not None:
             self.__rs_context.__exit__(exc_type, exc_val, None)
 
         if self.__rs_remote_context is not None:
             self.__rs_remote_context.__exit__(exc_type, exc_val, None)
 
+        if self.__temp_dir is not None:
+            os.chdir(Path(self.__temp_dir.name).parent)
+            self.__temp_dir.cleanup()
+
         if self.__remote_temp_dir is not None:
             self.__remote_temp_dir.cleanup()