[Comp Eval] Updating to test on multiple hosts and fixing test failures

[ColeHiggins2]

Tests failures due to trying to promote a content view version out of sequential order. Adding functionality to test on multiple hosts, and adding pytest fixture to tests due to consuming content on containers.

RHSAT6-45564 test_positive_generate_job_report RHSAT6-44204 test_positive_generate_entitlements_report_multiple_formats RHSAT6-44455 test_positive_generate_hostpkgcompare