habitica/test/api/v3/unit/middlewares/notFound.test.js

import { requester } from '../../../../helpers/api-integration.helper';

describe('notFound Middleware', () => {
  it('returns a 404 error when the resource is not found', () => {
    let request = requester().get('/api/v3/dummy-url');

    return expect(request)
      .to.eventually.be.rejected.and.eql({
        error: "NotFound",
        message: "Not found.",
      });
  }); 
});