added coverage for "blockedByBug-861993", "blockedByBug-955142"
added verifyRhsmcertdDoesNotThrowDeprecationWarnings_Test
modified
YumRemoveFirstHighAvailabilityPackageAndAssertInstalledProductCerts_Test
based on new rules set in
https://bugzilla.redhat.com/show_bug.cgi?id=859197#c15