feat: test script

__wasm/wit-bindgen-sample/container/src/main.rs

@@ -47,13 +47,16 @@ fn main() -> Result<()> {
         |store, module, linker| Exports::instantiate(store, module, linker, |cx| &mut cx.exports),
     )?;
     let a = exports.eval_javascript(&mut store, r##"
+        function hi(name) { return "hi: " + name; }
         let a = [];
         a.push(fetch('https://www.google.com/'));
         for (let i = 0; i < 3; i++) { a.push(i); }
         a.push({
           id: 1, name: 'hatter'
         });
-        //JSON.stringify(a)
+        a.push(hi('001'));
+        a.push(hi('002'));
+        // JSON.stringify(a)
         a
     "##);