ipatests: skip test_basesearch_compat_tree on fedora.
slapi-nis with fix is not part of fedora yet.
test requires with fix:
https://pagure.io/slapi-nis/c/61ea8f6a104da25329e301a8f56944f860de8177?
Signed-off-by: Anuja More <amore@redhat.com>
Reviewed-By: Mohammad Rizwan <myusuf@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>