Update training_tests_actions.py

Author: JihwanEom

ote_sdk/ote_sdk/test_suite/training_tests_actions.py

@@ -79,7 +79,7 @@ def __call__(self, data_collector: DataCollector, results_prev_stages: OrderedDi
 
 
 def create_environment_and_task(
-    params, labels_schema, model_template, dataset, model_adapters=None
+    params, labels_schema, model_template, dataset=None, model_adapters=None
 ):
 
     environment = TaskEnvironment(