Running Testbed Workflows Helper python files dummy.py: Defines the classes for the low-fidelity objects of the simulator. workflow_utils.py: Defines helper functions for writing workflows. deck.py: Initializes all devices in one file. Workflow Set up and run the extended simulator as mentioned in the setting_up_simulator repository. We have one workflow for the simulator that can run from the command terminal with the following command python workflow_no_1.py.