Use a struct as test options (#19393)

* Use a struct as test options

* Fix name

* Fix test

models/db/paginator/main_test.go

@@ -12,5 +12,7 @@ import (
 )
 
 func TestMain(m *testing.M) {
-	unittest.MainTest(m, filepath.Join("..", "..", ".."))
+	unittest.MainTest(m, &unittest.TestOptions{
+		GiteaRootPath: filepath.Join("..", "..", ".."),
+	})
 }