Duplicate error messages are being generated for PKI tests

[PsOverflow]

Issue: Duplicate error messages are being generated for PKI tests.

Affected Version:
OS: Fedora-40
Build: @pki/master
dogtag-pki-11.6.0-0.1.alpha1.20240924234146UTC.9f04b768.fc40.x86_64

Steps to reproduce:

Delete not-existing group:

# pki -d /opt/pki/certdb -P http -p 21080 -h pki1.example.com -c SECret.123 -n "PKI KRA Administrator for Example.Org" kra-group-del abc?
ResourceNotFoundException: No such object: No such object

Add duplicate group:

# pki -d /opt/pki/certdb -P http -p 21080 -h pki1.example.com -c SECret.123 -n "PKI KRA Administrator for Example.Org" kra-group-add abc?
ConflictingOperationException: Entry already exists: Already exists

Add same user to group multiple times:

# pki -d /opt/pki/certdb -P http -p 20080 -h pki1.example.com -c SECret.123 -n "PKI CA Administrator for Example.Org" ca-group-member-add "Administrators" userall1
ConflictingOperationException: Attribute or value exists: Type or value exists