diff --git a/atomsci/ddm/test/unit/test_parameter_parser_invalid_pred.py b/atomsci/ddm/test/unit/test_parameter_parser_invalid_pred.py
index 9ea672c5..6f2c621a 100644
--- a/atomsci/ddm/test/unit/test_parameter_parser_invalid_pred.py
+++ b/atomsci/ddm/test/unit/test_parameter_parser_invalid_pred.py
@@ -47,6 +47,13 @@ def __contains__(self, item):
         id_col='compound_id',
         smiles_col='smiles',
         response_cols=['y'],
+        robustscaler_with_centering='none',
+        robustscaler_with_scaling='none',
+        robustscaler_quartile_range='none',
+        robustscaler_unit_variance='none',
+        powertransformer_standardize='none',
+        powertransformer_method='none',
+        imputer_strategy='none',
         feature_transform_type='none',
         response_transform_type='none',
         weight_transform_type='none',