added a skip regex to separatedisktest

Author: p-shah256

config/jobs/kubernetes/sig-node/sig-node-presubmit.yaml

@@ -3394,6 +3394,7 @@ presubmits:
         - --gcp-zone=us-west1-b
         - --parallelism=1
         - --focus-regex=SeparateDiskTest
+        - --skip-regex=""
         - '--test-args=--container-runtime-endpoint=unix:///var/run/crio/crio.sock --container-runtime-process-name=/usr/local/bin/crio --container-runtime-pid-file= --kubelet-flags="--fail-cgroupv1=true --cgroup-driver=systemd --cgroups-per-qos=true --cgroup-root=/ --runtime-cgroups=/system.slice/crio.service --kubelet-cgroups=/system.slice/kubelet.service" --extra-log="{\"name\": \"crio.log\", \"journalctl\": [\"-u\", \"crio\"]}"'
         - --image-config-file=/home/prow/go/src/k8s.io/test-infra/jobs/e2e_node/crio/latest/image-config-cgroupv2-imagefs.yaml
         resources: