Test security options of virt-sandbox command

$ ./run -t lvsb --tests type_specific.lvsb_security_options --no-downloads
SETUP: PASS (0.10 s)
DATA DIR: /var/lib/virt_test
DEBUG LOG: /home/ajia/Workspace/virt-test/logs/run-2013-12-20-18.52.56/debug.log
TESTS: 10
(1/10) type_specific.lvsb_security_options.positive_testing.dynamic_selinux_context: PASS (0.59 s)
(2/10) type_specific.lvsb_security_options.positive_testing.dynamic_selinux_context_with_base_context: PASS (0.58 s)
(3/10) type_specific.lvsb_security_options.positive_testing.static_selinux_context_without_category: PASS (0.58 s)
(4/10) type_specific.lvsb_security_options.positive_testing.static_selinux_context_with_same_category: PASS (0.59 s)
(5/10) type_specific.lvsb_security_options.positive_testing.static_selinux_context_with_unordered_category_set: PASS (0.59 s)
(6/10) type_specific.lvsb_security_options.positive_testing.static_selinux_context_with_ordered_category_set: PASS (0.59 s)
(7/10) type_specific.lvsb_security_options.positive_testing.static_selinux_context_with_specified_categories: PASS (0.59 s)
(8/10) type_specific.lvsb_security_options.negative_testing.invalid_security_option: PASS (0.27 s)
(9/10) type_specific.lvsb_security_options.negative_testing.invalid_dynamic_selinux_context: PASS (0.27 s)
(10/10) type_specific.lvsb_security_options.negative_testing.invalid_static_selinux_context: PASS (0.29 s)
TOTAL TIME: 4.95 s
TESTS PASSED: 10
TESTS FAILED: 0
SUCCESS RATE: 100.00 %