fix: resolve lint errors in test files

- Fix max-len in fixtures.ts (break long import)
- Add eslint-env node to jest.e2e.config.js
- Remove unused vars in e2e tests

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dianaKhortiuk-frontegg

jest.e2e.config.js

@@ -1,3 +1,4 @@
+/* eslint-env node */
 module.exports = {
   transform: { '^.+\\.ts?$': 'ts-jest' },
   testEnvironment: 'node',

src/__e2e__/authenticator.e2e.ts

@@ -26,8 +26,6 @@ describe('FronteggAuthenticator E2E', () => {
 
   it('should refresh authentication', async () => {
     await authenticator.init(E2E_CLIENT_ID, E2E_API_KEY);
-    const firstToken = authenticator.accessToken;
-
     await authenticator.refreshAuthentication();
 
     expect(authenticator.accessToken).toBeTruthy();

src/__e2e__/identity-client.e2e.ts

@@ -1,6 +1,4 @@
 import { FronteggAuthenticator } from '../authenticator';
-import { HttpClient } from '../clients/http/http-client';
-import { FronteggContext } from '../components/frontegg-context';
 import { config } from '../config';
 import { E2E_CLIENT_ID, E2E_API_KEY, requireApiKey } from './setup';
 import axios from 'axios';

src/__e2e__/middleware.e2e.ts

@@ -1,6 +1,5 @@
 import * as express from 'express';
 import * as http from 'http';
-import { FronteggAuthenticator } from '../authenticator';
 import { FronteggContext } from '../components/frontegg-context';
 import { withAuthentication } from '../middlewares/with-authentication';
 import { E2E_CLIENT_ID, E2E_API_KEY, requireApiKey } from './setup';
@@ -20,7 +19,8 @@ describe('withAuthentication middleware E2E', () => {
     app.get('/protected', withAuthentication(), (req, res) => {
       res.json({ user: (req as any).frontegg?.user });
     });
-    app.use((err: any, req: any, res: any, next: any) => {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    app.use((err: any, _req: any, res: any, _next: any) => {
       res.status(err.statusCode || 500).json({ error: err.message });
     });
 

src/__test-utils__/fixtures.ts

@@ -1,4 +1,12 @@
-import { IUser, IUserApiToken, ITenantApiToken, IUserAccessToken, ITenantAccessToken, IEntityWithRoles, tokenTypes } from '../clients/identity/types';
+import {
+  IUser,
+  IUserApiToken,
+  ITenantApiToken,
+  IUserAccessToken,
+  ITenantAccessToken,
+  IEntityWithRoles,
+  tokenTypes,
+} from '../clients/identity/types';
 
 export const fakeUser: IUser = {
   sub: 'fake-sub',