Wait for promOperator CRD to be created when dpeloying Zenko

.github/scripts/end2end/install-kind-dependencies.sh

@@ -72,6 +72,8 @@ kubectl apply --validate=false -f https://github.com/jetstack/cert-manager/relea
 # so if apply fails, replace can work
 prom_url=https://raw.githubusercontent.com/coreos/prometheus-operator/${PROMETHEUS_VERSION}/bundle.yaml
 kubectl create -f $prom_url || kubectl replace -f $prom_url --wait
+# wait for the resource to exist
+kubectl wait --for=condition=established --timeout=10m crd/alertmanagers.monitoring.coreos.com
 envsubst < configs/prometheus.yaml | kubectl apply -f -
 
 # zookeeper