old_contents: import { assert } from 'chai';
  import supertest from 'supertest';
  import app from 'app/server-app';
  
  describe('Controller: application', () => {
    const request = supertest(app.listen());
  
    it('should render single page', async () => {
      const result = await
        request
          .get('/')
          .set('Accept', 'text/html')
          .expect(200);
  
      assert.ok(result.text);
      assert.include(result.text, 'id="app"');
    });
  });
  
new_contents: import { assert } from 'chai';
  import supertest from 'supertest';
  import app from 'app/server-app';
  
  describe('Controller: application', function() {
    this.timeout(5000);
    const request = supertest(app.listen());
  
    it('should render single page', async () => {
      const result = await
        request
          .get('/')
          .set('Accept', 'text/html')
          .expect(200);
  
      assert.ok(result.text);
      assert.include(result.text, 'id="app"');
    });
  });
  
subject: Update timeout