refactoring, fix todo removal from lists

tests/integration/lists.test.js

@@ -0,0 +1,22 @@
+const server = require('../../app.js');
+
+const request = require('supertest');
+const mongoose = require('mongoose');
+
+afterAll(async () => {
+  await mongoose.connection.dropDatabase();
+  await mongoose.disconnect();
+  await server.close();
+});
+
+describe('test lists', () => {
+  test('index lists', async () => {
+    const response = await request(server)
+      .get('/lists')
+      .set('Accept', 'application/json')
+      .expect(200)
+      .expect('Content-Type', 'application/json; charset=utf-8');
+    expect(response.body.success).toBe(true);
+    expect(response.body.data).toBeInstanceOf(Array);
+  });
+});