tests/int/cgroups: filter out rdma

Filter out rdma controller since systemd is unable to delegate it.
Similar to commits 0527271 and 601cf58.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

Author: kolyshkin

tests/integration/cgroups.bats

@@ -49,8 +49,8 @@ function setup() {
 			if [ $EUID -eq 0 ]; then
 				check_cgroup_value "cgroup.controllers" "$(cat /sys/fs/cgroup/machine.slice/cgroup.controllers)"
 			else
-				# Filter out hugetlb and misc as systemd is unable to delegate them.
-				check_cgroup_value "cgroup.controllers" "$(sed -e 's/ hugetlb//' -e 's/ misc//' </sys/fs/cgroup/user.slice/user-${EUID}.slice/cgroup.controllers)"
+				# Filter out controllers that systemd is unable to delegate.
+				check_cgroup_value "cgroup.controllers" "$(sed 's/ \(hugetlb\|misc\|rdma\)//g' </sys/fs/cgroup/user.slice/user-${EUID}.slice/cgroup.controllers)"
 			fi
 		else
 			check_cgroup_value "cgroup.controllers" "$(cat /sys/fs/cgroup/cgroup.controllers)"