Nightly test: add +15min for test_ipahealthcheck
The test test_ipahealthcheck.py::TestIpaHealthcheck frequently
hits its 90min timeout. Extend by 15min to allow completion.
Fixes: https://pagure.io/freeipa/issue/9362
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Anuja More <amore@redhat.com>