CI: enable k8s-empty-dirs.bats

We should just pass it.

Fixes: #2851
Signed-off-by: Peng Tao <bergwolf@hyper.sh>

integration/kubernetes/k8s-empty-dirs.bats

@@ -7,17 +7,14 @@
 
 load "${BATS_TEST_DIRNAME}/../../.ci/lib.sh"
 load "${BATS_TEST_DIRNAME}/../../lib/common.bash"
-issue="https://github.com/kata-containers/tests/issues/2574"
 
 setup() {
-	skip "test not working - see: ${issue}"
 	export KUBECONFIG="$HOME/.kube/config"
 	pod_name="sharevol-kata"
 	get_pod_config_dir
 }
 
 @test "Empty dir volumes" {
-	skip "test not working - see: ${issue}"
 	# Create the pod
 	kubectl create -f "${pod_config_dir}/pod-empty-dir.yaml"
 
@@ -30,6 +27,5 @@ setup() {
 }
 
 teardown() {
-	skip "test not working - see: ${issue}"
 	kubectl delete pod "$pod_name"
 }