load-list doesn't work without the correct tags for each test

[Kim-Norman Sahm]

if you're using the "--load-list list.txt" option of rally you have to set all tags of the verifier-tests.

example load-list (functional):
tempest.scenario.test_network_v6.TestGettingAddress.test_multi_prefix_slaac[compute,id-dec222b1-180c-4098-b8c5-cc1b8342d611,network,slow]
tempest.scenario.test_network_v6.TestGettingAddress.test_slaac_from_os[compute,id-2c92df61-29f0-4eaa-bee3-7c65bef62a43,network,slow]
tempest.scenario.test_server_basic_ops.TestServerBasicOps.test_server_basic_ops[compute,id-7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba,network,smoke]

example load-list (not functional):
tempest.scenario.test_network_v6.TestGettingAddress.test_multi_prefix_slaac[id-dec222b1-180c-4098-b8c5-cc1b8342d611]
tempest.scenario.test_network_v6.TestGettingAddress.test_slaac_from_os[id-2c92df61-29f0-4eaa-bee3-7c65bef62a43]
tempest.scenario.test_server_basic_ops.TestServerBasicOps.test_server_basic_ops[id-7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba]

why do not the ids suffice?
are the ids not unique?