UnifiedStorage: Default to running unified-grpc in integration tests (#93492)

pkg/tests/apis/helper.go

@@ -20,7 +20,6 @@ import (
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/runtime/serializer/yaml"
 	yamlutil "k8s.io/apimachinery/pkg/util/yaml"
-
 	"k8s.io/client-go/discovery"
 	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/rest"
@@ -33,6 +32,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol/ossaccesscontrol"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/resourcepermissions"
 	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
+	"github.com/grafana/grafana/pkg/services/apiserver/options"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/org"
@@ -63,6 +63,12 @@ type K8sTestHelper struct {
 
 func NewK8sTestHelper(t *testing.T, opts testinfra.GrafanaOpts) *K8sTestHelper {
 	t.Helper()
+
+	// Use GRPC server when not configured
+	if opts.APIServerStorageType == "" && opts.GRPCServerAddress == "" {
+		opts.APIServerStorageType = options.StorageTypeUnifiedGrpc
+	}
+
 	// Always enable `FlagAppPlatformGrpcClientAuth` for k8s integration tests, as this is the desired behavior.
 	// The flag only exists to support the transition from the old to the new behavior in dev/ops/prod.
 	opts.EnableFeatureToggles = append(opts.EnableFeatureToggles, featuremgmt.FlagAppPlatformGrpcClientAuth)