test: TestPrometheusRemoteWrite: move to Spec.EnableRemoteWriteReceiver from deprecated Spec.EnableFeatures.remote-write-receiver which is removed in prom 3

Author: machine424

test/e2e/framework/prometheus.go

@@ -47,11 +47,11 @@ func (f Framework) MakePrometheusWithWebTLSRemoteReceive(name, tlsSecretName str
 		},
 		Spec: monitoringv1.PrometheusSpec{
 			CommonPrometheusFields: monitoringv1.CommonPrometheusFields{
-				Image:              image,
-				Replicas:           &replicas,
-				ServiceAccountName: "prometheus-k8s",
-				Secrets:            []string{tlsSecretName},
-				EnableFeatures:     []monitoringv1.EnableFeature{"remote-write-receiver"},
+				Image:                     image,
+				Replicas:                  &replicas,
+				ServiceAccountName:        "prometheus-k8s",
+				Secrets:                   []string{tlsSecretName},
+				EnableRemoteWriteReceiver: true,
 				Web: &monitoringv1.PrometheusWebSpec{
 					WebConfigFileFields: monitoringv1.WebConfigFileFields{
 						TLSConfig: &monitoringv1.WebTLSConfig{

test/e2e/prometheus_test.go

@@ -123,7 +123,7 @@ type remoteWriteTest struct {
 func TestPrometheusRemoteWrite(t *testing.T) {
 	ctx := context.Background()
 
-	// Get the Prometheus image to use, use the same than k8s's.
+	// Use the same image than k8s' for the remote write target.
 	k8sProm, err := f.MonitoringClient.Prometheuses(f.Ns).Get(ctx, "k8s", metav1.GetOptions{})
 	if err != nil {
 		t.Fatal(err)