Change : name of unit test and its documentation

Author: BaptisteCalot

mapie/regression/regression.py

@@ -515,7 +515,6 @@ def fit(
         """
         fit_params = kwargs.pop('fit_params', {})
         predict_params = kwargs.pop('predict_params', {})
-
         if len(predict_params) > 0:
             self._predict_params = True
         else:

mapie/tests/test_regression.py

@@ -965,8 +965,9 @@ def test_predict_params_expected_behavior_unaffected_by_fit_params() -> None:
     np.testing.assert_allclose(y_pred, 0)
 
 
-def test_invalid_predict_parameters() -> None:
-    """Test that invalid predict_parameters raise errors."""
+def test_using_one_predict_parameter_into_predict_but_not_in_fit() -> None:
+    """Test that using predict parameters in the predict method
+    without using one predict_parameter in the fit method raises an error"""
     custom_gbr = CustomGradientBoostingRegressor(random_state=random_state)
     X_train, X_test, y_train, y_test = (
         train_test_split(X, y, test_size=0.2, random_state=random_state)