Ticket #48067 - Add bugzilla tests for ds_logs
    
    Description: Adding regression tests for ds_logs. Setting custom log
    level combined with default log level stripping the default log level.
    Manaully editing dse.ldif to set value 64 for error log level throws
    error.
    
    https://pagure.io/389-ds-base/issue/48067
    
    Reviewed by: spichugi
    
    Signed-off-by: Simon Pichugin <spichugi@redhat.com>