MM-21976: Include cache layer to be tested (#13749)

app/config_test.go

@@ -12,6 +12,7 @@ import (
 	"github.com/stretchr/testify/mock"
 
 	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v5/store/localcachelayer"
 	"github.com/mattermost/mattermost-server/v5/store/sqlstore"
 	"github.com/mattermost/mattermost-server/v5/store/storetest/mocks"
 	"github.com/mattermost/mattermost-server/v5/utils"
@@ -125,7 +126,7 @@ func TestEnsureInstallationDate(t *testing.T) {
 
 	for _, tc := range tt {
 		t.Run(tc.Name, func(t *testing.T) {
-			sqlStore := th.App.Srv().Store.User().(*sqlstore.SqlUserStore)
+			sqlStore := th.App.Srv().Store.User().(localcachelayer.LocalCacheUserStore).UserStore.(*sqlstore.SqlUserStore)
 			sqlStore.GetMaster().Exec("DELETE FROM Users")
 
 			for _, createAt := range tc.UsersCreationDates {