fix: use WsAdapter in e2e tests to match main.ts setup

The app uses @nestjs/platform-ws, not socket.io. Without explicitly
setting the WsAdapter before app.init(), NestJS tries to load the
default socket.io adapter which is not installed.

Author: Flegma

test/app.e2e-spec.ts

@@ -1,5 +1,6 @@
 import { Test, TestingModule } from "@nestjs/testing";
 import { INestApplication } from "@nestjs/common";
+import { WsAdapter } from "@nestjs/platform-ws";
 import * as request from "supertest";
 import { AppModule } from "../src/app.module";
 
@@ -12,6 +13,7 @@ describe("AppController (e2e)", () => {
     }).compile();
 
     app = moduleFixture.createNestApplication();
+    app.useWebSocketAdapter(new WsAdapter(app));
     await app.init();
   });
 

test/auth.e2e-spec.ts

@@ -1,5 +1,6 @@
 import { Test, TestingModule } from "@nestjs/testing";
 import { INestApplication } from "@nestjs/common";
+import { WsAdapter } from "@nestjs/platform-ws";
 import * as request from "supertest";
 import { AppModule } from "../src/app.module";
 
@@ -12,6 +13,7 @@ describe("Auth Guards (e2e)", () => {
     }).compile();
 
     app = moduleFixture.createNestApplication();
+    app.useWebSocketAdapter(new WsAdapter(app));
     await app.init();
   });
 

test/matches.e2e-spec.ts

@@ -1,5 +1,6 @@
 import { Test, TestingModule } from "@nestjs/testing";
 import { INestApplication } from "@nestjs/common";
+import { WsAdapter } from "@nestjs/platform-ws";
 import * as request from "supertest";
 import { AppModule } from "../src/app.module";
 
@@ -20,6 +21,7 @@ describe("Matches (e2e)", () => {
     }).compile();
 
     app = moduleFixture.createNestApplication();
+    app.useWebSocketAdapter(new WsAdapter(app));
     await app.init();
   });