'Given the filters, it returns expected direct role assignments.
:param filters: filters that will be considered when listing role
assignments. Valid filters are: role_id, domain_id,
project_id, group_id, user_id and
inherited_to_projects.
:returns: the list of the expected role assignments.'

def _list_expected_role_assignments(self, **filters):

    return [self.build_role_assignment_entity(**filters)]
