fix: fixed split in score

Author: Darinochka

tests/modules/retrieval/test_logreg.py

@@ -32,6 +32,6 @@ def test_score_evaluates_model():
     mock_context.data_handler.test_utterances.return_value = ["hello", "goodbye"]
     mock_context.data_handler.test_labels.return_value = [0, 1]
 
-    scores = module.score(mock_context, split="test")
+    scores = module.score(mock_context, split="validation")
 
     assert isinstance(scores, dict)