fix: tests

src/posts/queue.js

@@ -97,8 +97,10 @@ module.exports = function (Posts) {
 		topics.checkContent(data.content);
 		if (type === 'topic') {
 			topics.checkTitle(data.title);
+			if (data.tags) {
 				await topics.validateTags(data.tags);
 			}
+		}
 
 		const [canPost] = await Promise.all([
 			privileges.categories.can(typeToPrivilege[type], cid, data.uid),