Unused workdir argument of the run_validations method removed.
Host and playbook skipping simplified.
Docstrings adjusted, including some of the more important
inline code examples.
Test sensitivity to API changes was increased.
More strict assertions have been put on the calls made in CLI.
Signed-off-by: Jiri Podivin <jpodivin@redhat.com>
Change-Id: I781f6a6f9fc4bd558af56b648f0e0ee9f165dfab