used_disks = get_used_disks_for_table(node1, name)
>           assert set(used_disks) == {"jbod1"}
E           AssertionError: assert {'external'} == {'jbod1'}
E             Extra items in the left set:
E             'external'
E             Extra items in the right set:
E             'jbod1'
E             Full diff:
E             - {'jbod1'}
E             + {'external'}