Fix linter

Author: pimuzzo

src/main.ts

@@ -27,4 +27,4 @@ async function bootstrap() {
   await app.listen(port);
 }
 
-bootstrap();
+void bootstrap();

test/users.e2e-spec.ts

@@ -1,7 +1,8 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication, ValidationPipe } from '@nestjs/common';
-import request from 'supertest';
-import { AppModule } from '../src/app.module';
+import * as request from 'supertest';
+import { AppModule } from 'src/app.module';
+import { User } from 'src/users/entities/user.entity';
 
 describe('UsersModule (e2e)', () => {
   let app: INestApplication;
@@ -26,27 +27,33 @@ describe('UsersModule (e2e)', () => {
       email: 'simone@example.com',
     };
 
-    const res = await request(app.getHttpServer())
+    const server = app.getHttpServer() as unknown as Parameters<typeof request>[0];
+
+    const res = await request(server)
       .post('/api/v1/users')
       .send(userDto)
       .expect(201);
 
-    expect(res.body).toEqual({
+    const user = res.body as User;
+    expect(user).toEqual({
       id: expect.any(Number),
       name: userDto.name,
       email: userDto.email,
     });
   });
 
   it('/api/v1/users (GET) should return all users', async () => {
-    const res = await request(app.getHttpServer())
+    const server = app.getHttpServer() as unknown as Parameters<typeof request>[0];
+
+    const res = await request(server)
       .get('/api/v1/users')
       .expect(200);
 
-    expect(Array.isArray(res.body)).toBe(true);
-    expect(res.body[0]).toHaveProperty('id');
-    expect(res.body[0]).toHaveProperty('name');
-    expect(res.body[0]).toHaveProperty('email');
+    const users = res.body as User[];
+    expect(Array.isArray(users)).toBe(true);
+    expect(users[0]).toHaveProperty('id');
+    expect(users[0]).toHaveProperty('name');
+    expect(users[0]).toHaveProperty('email');
   });
 
   afterAll(async () => {