The unit type for `client_mount_timeout` was changed from "float" to "secs" in 983b10506dc8466a0e47ff0d320d480dd09999ec. To make this test comply with the new
seconds unit change, we need to change the value to an integer, as seconds
does not accept float values.
Fixes: https://tracker.ceph.com/issues/55971 Signed-off-by: Laura Flores <lflores@redhat.com>