List<TemplateOperation> templateOps = sourceTemplates.stream()
                .map(t -> templateFactory.fromSourceTemplate(templatePath(t), "main", subproject, templateLanguage(t)))
                .collect(toList());
            testSourceTemplates.stream()
                .map(t -> templateFactory.fromSourceTemplate(templatePath(t), "test", subproject, templateLanguage(t)))
                .forEach(templateOps::add);