Tests fetcher tests (#13340)

* Incorporate tests dependencies in tests_fetcher

* Harder modif

* Debug

* Loop through all files

* Last modules

* Remove debug statement

tests/test_modeling_common.py

@@ -140,6 +140,8 @@ class ModelTesterMixin:
         return inputs_dict
 
     def test_save_load(self):
+        # Fake modif, will remove before merging.
+        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
         config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
 
         for model_class in self.all_model_classes: