def METHOD_NAME(cls):
    """Initial class level setup."""
    # pylint: disable=arguments-differ
    # pylint: disable=no-value-for-parameter
    super().METHOD_NAME()
    if cls.dependencies.channel == "ibm_cloud":
        # TODO use real device when cloud supports it
        cls.backend = cls.dependencies.service.least_busy(min_num_qubits=5)
    if cls.dependencies.channel == "ibm_quantum":
        cls.backend = cls.dependencies.service.least_busy(
            simulator=False, min_num_qubits=5, instance=cls.dependencies.instance
        )