e0b67df tests: Updated master and replica installation methods to enable negative testing

1 file Authored by Oleg Fayans 7 years ago, Committed by dkupka 7 years ago,
    tests: Updated master and replica installation methods to enable negative testing
    
    Negative testing was enabled by introducing an optional raiseonerr parameter
    with True by default to both master and replica installation methods
    Also the methods were updated to support intractive installation
    
    Reviewed-By: David Kupka <dkupka@redhat.com>