Add basic test

tests/test.js

@@ -0,0 +1,15 @@
+// The code below won't work since the grammar treat Unicode
+//"\x20\x77hil\x65\x20exe\x63uting c\x6cient e\x76\145\x6et ";
+
+//{let a = 15, b}
+
+
+{{{let t = false, n = true}}}
+//++a15;
+var a, b=14;
+let c;
+;
+4444444444444444444444;
+//228,1444444444444;t,fnm
+//if (1) 0;
+//function f4444444(){}