Ticket #48214 - CI test: added test cases for ticket 48213
    
    Description: ldapsearch on nsslapd-maxbersize returns 0 instead of
                 current value
    
    https://fedorahosted.org/389/ticket/48214
    (cherry picked from commit b7b663c0e20c2f9bf8885bd7633570dc8d34f394)