优化测试，文件读取测试

src/Token/TokenComment.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * @filename TokenComment.php
+ * @author Jerry Yan <792602257@qq.com>
+ * @date 2021/1/26 13:43
+ */
+
+
+namespace JerryYan\DSL\Token;
+
+
+class TokenComment extends TokenInterface
+{
+    public static $alias = [
+        '//'
+    ];
+}