b3bee9b ipatests: use AD domain name from config instead of hardcoded value

Authored and Committed by sorlov 2 years ago
    ipatests: use AD domain name from config instead of hardcoded value
    
    The test fails when test config contains AD domain value other than one
    hardcoded in the test code.
    
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>