Provisioning: Fix regression when dashboardProvisioner is accessed before being initialised (#85011)

* Provisioning: Fix regression when dashboardProvisioner is accessed before being initialized

* Set dashboard provisioner in the provider

pkg/services/provisioning/provisioning_test.go

@@ -7,18 +7,18 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	dashboardstore "github.com/grafana/grafana/pkg/services/dashboards"
 	"github.com/grafana/grafana/pkg/services/folder"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/provisioning/dashboards"
 	"github.com/grafana/grafana/pkg/services/provisioning/utils"
-	"github.com/grafana/grafana/pkg/setting"
 )
 
 func TestProvisioningServiceImpl(t *testing.T) {
 	t.Run("Restart dashboard provisioning and stop service", func(t *testing.T) {
-		serviceTest := setup()
+		serviceTest := setup(t)
 		err := serviceTest.service.ProvisionDashboards(context.Background())
 		assert.Nil(t, err)
 		serviceTest.startService()
@@ -45,7 +45,7 @@ func TestProvisioningServiceImpl(t *testing.T) {
 	})
 
 	t.Run("Failed reloading does not stop polling with old provisioned", func(t *testing.T) {
-		serviceTest := setup()
+		serviceTest := setup(t)
 		err := serviceTest.service.ProvisionDashboards(context.Background())
 		assert.Nil(t, err)
 		serviceTest.startService()
@@ -83,7 +83,7 @@ type serviceTestStruct struct {
 	service *ProvisioningServiceImpl
 }
 
-func setup() *serviceTestStruct {
+func setup(t *testing.T) *serviceTestStruct {
 	serviceTest := &serviceTestStruct{}
 	serviceTest.waitTimeout = time.Second
 
@@ -102,7 +102,8 @@ func setup() *serviceTestStruct {
 		nil,
 		nil,
 	)
-	serviceTest.service.Cfg = setting.NewCfg()
+	err := serviceTest.service.setDashboardProvisioner()
+	require.NoError(t, err)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	serviceTest.cancel = cancel