Include datafile util func in conftest

Author: bobleesj

tests/conftest.py

@@ -1,4 +1,5 @@
 import json
+from importlib import resources
 from pathlib import Path
 
 import pytest
@@ -17,3 +18,17 @@ def user_filesystem(tmp_path):
         json.dump(home_config_data, f)
 
     yield tmp_path
+
+
+def get_datafile(filename):
+    return str(resources.files(__package__).joinpath("testdata/" + filename))
+
+
+@pytest.fixture
+def datafile():
+    """Fixture to dynamically load any test file."""
+
+    def _load(filename):
+        return get_datafile(filename)
+
+    return _load