e2e: set maxsnapshotsonimage during helm install

as we need to test the maxsnapshotsonimage we
need to set the limit to minimal value which we
can test in CI as the default limit is 450,which
cannot be tested in CI.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

scripts/install-helm.sh

@@ -122,7 +122,7 @@ install_cephcsi_helm_charts() {
     # deleting configmap as a workaround to avoid configmap already present
     # issue when installing ceph-csi-rbd
     kubectl delete cm ceph-csi-config --namespace ${NAMESPACE}
-    "${HELM}" install --namespace ${NAMESPACE} --set provisioner.fullnameOverride=csi-rbdplugin-provisioner --set nodeplugin.fullnameOverride=csi-rbdplugin --set configMapName=ceph-csi-config --set provisioner.podSecurityPolicy.enabled=true --set nodeplugin.podSecurityPolicy.enabled=true ${RBD_CHART_NAME} "${SCRIPT_DIR}"/../charts/ceph-csi-rbd --set topology.enabled=true --set topology.domainLabels="{${NODE_LABEL_REGION},${NODE_LABEL_ZONE}}"
+    "${HELM}" install --namespace ${NAMESPACE} --set provisioner.fullnameOverride=csi-rbdplugin-provisioner --set nodeplugin.fullnameOverride=csi-rbdplugin --set configMapName=ceph-csi-config --set provisioner.podSecurityPolicy.enabled=true --set nodeplugin.podSecurityPolicy.enabled=true ${RBD_CHART_NAME} "${SCRIPT_DIR}"/../charts/ceph-csi-rbd --set topology.enabled=true --set topology.domainLabels="{${NODE_LABEL_REGION},${NODE_LABEL_ZONE}}" --set provisioner.maxSnapshotsOnImage=3
 
     check_deployment_status app=ceph-csi-rbd ${NAMESPACE}
     check_daemonset_status app=ceph-csi-rbd ${NAMESPACE}