Host adder dialog differs on installations with and without DNS.
Previous test used values for adding hosts which were suitable only for IPA servers installed with DNS.
Reviewed-By: Martin Kosek <mkosek@redhat.com>
Tests modified to comply with PEP8 rules with exception of rule E501 (long lines).
Done by autopep8 tool and 2 manual modifications.
https://fedorahosted.org/freeipa/ticket/3744
Petr Vobornik
Ana Krivokapic