fix test

Author: darrachequesne

packages/socket.io/test/socket.ts

@@ -9,6 +9,7 @@ import {
 } from "./support/util";
 import { Server } from "..";
 import expect from "expect.js";
+import { Decoder, Encoder } from "socket.io-parser";
 
 describe("socket", () => {
   it("should not fire events more than once after manually reconnecting", (done) => {
@@ -158,8 +159,27 @@ describe("socket", () => {
   });
 
   it("should emit events with several types of data (including binary)", (done) => {
-    const io = new Server(0);
-    const socket = createClient(io);
+    class CustomDecoder extends Decoder {
+      constructor() {
+        super({
+          maxAttachments: 10,
+        });
+      }
+    }
+
+    const io = new Server(0, {
+      parser: {
+        Decoder: CustomDecoder,
+        Encoder,
+      },
+    });
+
+    const socket = createClient(io, "/", {
+      parser: {
+        Decoder: CustomDecoder,
+        Encoder,
+      },
+    });
 
     socket.on("multiple", (a, b, c, d, e, f) => {
       expect(a).to.be(1);