tests: k8s: Ensure the runtime classes are properly created

With these 2 simple checks we can ensure that we do not regress on the
behaviour of allowing the runtime classes / default runtime class to be
created by the kata-deploy payload.

Fixes: #7491

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

tests/integration/kubernetes/run_kubernetes_tests.sh

@@ -18,6 +18,7 @@ if [ -n "${K8S_TEST_UNION:-}" ]; then
 	K8S_TEST_UNION=($K8S_TEST_UNION)
 else
 	K8S_TEST_UNION=( \
+		"kata-deploy-ensure-runtimec-classes-created.bats" \
 		"k8s-attach-handlers.bats" \
 		"k8s-caps.bats" \
 		"k8s-configmap.bats" \