Fix parser/generator tests

v3/internal/parser/testdata/function_single/bindings_main.js

@@ -2,28 +2,17 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 
-function GreetService(method) {
-    return {
-        packageName: "main",
-        serviceName: "GreetService",
-        methodName: method,
-        args: Array.prototype.slice.call(arguments, 1),
-    };
-}
-
-/**
- * GreetService.Greet
- * Greet someone
- * @param name {string}
- * @returns {Promise<string>}
- **/
-function Greet(name) {
-    return wails.Call(GreetService("Greet", name));
-}
 
 window.go = window.go || {};
 window.go.main = {
     GreetService: {
-        Greet,
+
+		/**
+		 * GreetService.Greet
+		 * Greet someone
+		 * @param name {string}
+		 * @returns {Promise<string>}
+		 **/
+	    Greet: function(name) { wails.CallByID(1411160069, ...Array.prototype.slice.call(arguments, 0)); },
     },
 };