Improve cli org deletion tests

* Add tests to test if an organization could be deleted by name
and by label
* Add bzbug decorator due to a regression on organization delete command
Remove name argument from some cli OS tests

Name argument is not necessary when passing the OS id and also it is not
a valid argument for add-architecture, add-config-template and
add-ptable OS subcommands
Add bzbug decorator to cli product tests
Add bzbug decorator to test_delete_template_1 test
Merge pull request #820 from elyezer/cli-test-product

Add bzbug decorator to cli product tests
Merge pull request #819 from elyezer/cli-test-os

Remove name argument from some cli OS tests
Merge pull request #818 from elyezer/cli-test-org

Improve cli org deletion tests
Merge pull request #821 from elyezer/cli-test-template

Add bzbug decorator to test_delete_template_1 test