7893fb9 test_ipalib: add test for DNParam class

Authored and Committed by frenaud 4 years ago
    test_ipalib: add test for DNParam class
    
    A single-valued DNParam parameter must not accept multivalues. Add test
    checking the behavior for single valued and multivalued DNParam.
    
    Related: https://pagure.io/freeipa/issue/8097
    Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>