Enable VolumeAttributesClass feature gate for CI runs

Author: travisyx

test/run-k8s-integration-ci.sh

@@ -119,6 +119,9 @@ fi
 
 if [ "$test_volumeattributesclass" = true ]; then
   base_cmd="${base_cmd} --volumeattributesclass-files=hdb-volumeattributesclass.yaml --storageclass-for-vac-file=sc-hdb.yaml --kube-runtime-config=api/all=true"
+  if [ "$deployment_strategy" = "gce" ]; then
+    base_cmd="${base_cmd} --kube-feature-gates=VolumeAttributesClass=true"
+  fi
 fi
 
 eval "$base_cmd"