Merge pull request #650 from hhovsepy/sat-6.0.2

added more tests for content views
checkOperation is made as @BeforeSuite
skip for the rest - getting TestNG suite as sysprop
skip for the rest - getting TestNG suite as sysprop
fixed failing bug
Merge branch 'sat-6.0.2' of https://github.com/gkhachik/katello-api into sat-6.0.2