The ipagetkeytab command recently changed its failure output
to accomodate pre-4.0 servers.
Update the test to reflect this.
Related: https://fedorahosted.org/freeipa/ticket/4446
Reviewed-By: Martin Kosek <mkosek@redhat.com>
Using the in-tree binary makes testing outside the source tree
impossible.
Use ipa-getkeytab from $PATH, and add the directory to $PATH when
running the in-tree tests.
Part of the work for https://fedorahosted.org/freeipa/ticket/3654
Reviewed-By: Martin Kosek <mkosek@redhat.com>
