Add migration test

Author: hiifong

models/migrations/v1_24/v315.go

@@ -42,6 +42,8 @@ func MigrateIniToDatabase(x *xorm.Engine) error {
 		return err
 	}
 
+	sess.Sync(new(Setting))
+
 	_ = getRevision(sess) // prepare the "revision" key ahead
 
 	_, err = sess.Exec("UPDATE system_setting SET version=version+1 WHERE setting_key=?", keyRevision)

models/migrations/v1_24/v315_test.go

@@ -7,12 +7,13 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models/migrations/base"
+
 	"github.com/stretchr/testify/assert"
 )
 
-func Test_Ini2UI(t *testing.T) {
+func Test_MigrateIniToDatabase(t *testing.T) {
 	// Prepare and load the testing database
-	x, deferable := base.PrepareTestEnv(t, 0)
+	x, deferable := base.PrepareTestEnv(t, 0, new(Setting))
 	defer deferable()
 	if x == nil || t.Failed() {
 		return