update ci.yml and tests

tests/test_correctness.py

@@ -104,9 +104,3 @@ def cat_cat_workflow():
 def test_workflows() -> None:
     """Test for various workflows."""
     cat_cat_workflow()
-
-
-def test_delete_runtime_files() -> None:
-    """Delete the runtime files generated by the tests."""
-    for file in os.listdir(test_runtime_files):
-        os.remove(os.path.join(test_runtime_files, file))