mirage reflexive - include error

adapters.application.js

import DS from 'ember-data';
import UrlTemplates from 'ember-data-url-templates';

export default DS.JSONAPIAdapter.extend(UrlTemplates, {
  host: '',
  namespace: 'api',
  urlTemplate: '{+host}/{+namespace}/{pathForType}{/id}',
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
});

mirage.config.js

import Mirage from 'ember-cli-mirage';

export default function() {
  this.namespace = '/api';
  //window.server = this;
  this.get('users/:id', function () {
    return new Mirage.Response(404, {});
  });
};

mirage.factories.user.js

import { Factory, faker } from 'ember-cli-mirage';

export default Factory.extend({
  name() {
    return faker.name.findName();
  },
  afterCreate(user, server) {
    if (user.thingIds.length === 0) {
      let size = faker.random.number({ min: 1, max: 3 });
      for (let i = size; i >= 0; i--) {
        let userThing = server.create('user_thing', {
          user: user,
          thingId: i + 1,
        });
        let thingIds = user.thingIds;
        thingIds.push(threadThing.id)
        user.update('thingIds', thingIds);
      }
    }
  }
});

mirage.fixtures.categories.js

export default [
  {
    id: 1,

    createdById: 1,
    updatedById: 1,

    name: 'Categories',
    key: 'categories',
    isActive: true,
    isNested: false,
    count: 5,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
  {
    id: 2,

    createdById: 1,
    updatedById: 1,

    name: 'Series',
    key: 'series',
    isActive: true,
    isNested: false,
    count: 10,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
  {
    id: 3,

    createdById: 1,
    updatedById: 1,

    name: 'Authors',
    key: 'authors',
    isActive: true,
    isNested: false,
    count: 3,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
  {
    id: 4,

    createdById: 1,
    updatedById: 1,
    childrenIds: ['5', '6'],

    name: 'Taxonomy',
    key: 'taxonomy',
    isActive: true,
    isNested: true,
    count: 2,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
  {
    id: 5,

    createdById: 1,
    updatedById: 1,
    parentId: 4,

    name: 'Nested Taxonomy',
    key: 'nested-taxonomy',
    isActive: true,
    isNested: false,
    count: 0,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
  {
    id: 6,

    createdById: 1,
    updatedById: 1,
    parentId: 4,

    name: 'Secondary Taxonomy',
    key: 'secondary-taxonomy',
    isActive: true,
    isNested: false,
    count: 0,

    updatedAt: '2020-01-01T00:00:00+00:00',
    createdAt: '2020-01-01T00:00:00+00:00',
  },
];

mirage.models.user.js

import { Model } from 'ember-cli-mirage';

export default Model.extend({
});

mirage.models.user_thing.js

import { Model, belongsTo } from 'ember-cli-mirage';

export default Model.extend({
  typeKey: 'user/thing', 
  user: belongsTo(),
});

mirage.scenarios.default.js

export default function(server) {
  // added this line because global wasn't created otherwise.
  
  server.create('user');  
}

mirage.serializers.application.js

import { JSONAPISerializer } from 'ember-cli-mirage';

export default JSONAPISerializer.extend({
});

models.user.js

import DS from 'ember-data';

export default DS.Model.extend({
  name: DS.attr()
});

models.user.thing.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  user: belongsTo(),
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    return this.store.findRecord('user', 1);
  },
  actions: {
    error(error) {
      console.log('error', error);
    },
  },
  
});

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    return this.store.findRecord('user', 1);
  }
  
  
});

styles.app.css

body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

h1 {
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  text-shadow: none;
  background: #2e4068;
  color: white;
  padding: 20px;
  margin: 0;
  text-transform: uppercase;
}

p {
  font-weight: normal;
}

.pa4 {
  padding: 20px;
}

templates.application.hbs

<h1>Mirage boilerplate</h1>

<div class='pa4'>
  <p>Welcome <strong>{{model.name}}</strong>!</p>
  <p>Hi</p> 
</div>

tests.acceptance.my-acceptance-test.js

import { test } from 'qunit';
import moduleForAcceptance from '../../tests/helpers/module-for-acceptance';

moduleForAcceptance('Acceptance | Users');

test('I can see the users', function(assert) {
  server.create('user', { name: 'Link' });
  
  //visit('/');

  andThen(function() {
    assert.ok(true);
    //assert.ok(find(':contains(Welcome Link!)').length);
  });
});

tests.helpers.destroy-app.js

import Ember from 'ember';

export default function destroyApp(application) {
  Ember.run(application, 'destroy');
}

tests.helpers.module-for-acceptance.js

import { module } from 'qunit';
import startApp from '../helpers/start-app';
import destroyApp from '../helpers/destroy-app';

export default function(name, options = {}) {
  module(name, {
    beforeEach() {
      this.application = startApp();

      if (options.beforeEach) {
        options.beforeEach.apply(this, arguments);
      }
    },

    afterEach() {
      if (options.afterEach) {
        options.afterEach.apply(this, arguments);
      }

      destroyApp(this.application);
    }
  });
}

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.helpers.start-app.js

import Ember from 'ember';
import Application from '../../app';
import config from '../../config/environment';

export default function startApp(attrs) {
  let application;

  let attributes = Ember.merge({rootElement: "#test-root"}, config.APP);
  attributes = Ember.merge(attributes, attrs); // use defaults, but you can override;

  Ember.run(() => {
    application = Application.create(attributes);
    application.setupForTesting();
    application.injectTestHelpers();
  });

  return application;
}

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

twiddle.json

{
  "version": "0.10.4",
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    }
  },
  "EmberENV": {
    "FEATURES": {
      "ds-finder-include": true
    }
  },
  "options": {
    "use_pods": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember-template-compiler.js"
  },
  "addons": {
    "ember-cli-mirage": "0.4.1" 
  }
}