Fix tests

ml-agents/mlagents/trainers/tests/test_trainer_controller.py

         new_step_info.current_all_brain_info[brain_name],
         new_step_info.brain_name_to_action_info[brain_name].outputs,
     )
-    trainer_mock.clear_update_buffer.assert_called_once()
+    trainer_mock.advance.assert_called_once()

ml-agents/mlagents/trainers/trainer_controller.py

                                 trainer.parameters["time_horizon"]
                                 if "time_horizon" in trainer.parameters
                                 else None,
-                                trainer.summary_path,
                             )
                         )
                         self.managers[name] = agent_manager