tests: Add k8s-volume test

This imports the k8s-volume test from the tests repo and modifies it
slightly to set up the host volume on the AKS host.

Fixes: #6566

Signed-off-by: Aurélien Bombo <abombo@microsoft.com>

tests/integration/kubernetes/run_kubernetes_tests.sh

@@ -51,6 +51,7 @@ else
 		"k8s-sysctls.bats" \
 		"k8s-security-context.bats" \
 		"k8s-shared-volume.bats" \
+		"k8s-volume.bats" \
 		"k8s-nginx-connectivity.bats" \
 	)
 fi