Install ember-cli-mirage.

.jshintrc

@@ -1,5 +1,6 @@
 {
   "predef": [
+    "server",
     "document",
     "window",
     "-Promise"

mirage/config.js

@@ -0,0 +1,40 @@
+export default function() {
+
+  // These comments are here to help you get started. Feel free to delete them.
+
+  /*
+    Config (with defaults).
+
+    Note: these only affect routes defined *after* them!
+  */
+
+  // this.urlPrefix = '';    // make this `http://localhost:8080`, for example, if your API is on a different server
+  // this.namespace = '';    // make this `/api`, for example, if your API is namespaced
+  // this.timing = 400;      // delay for each request, automatically set to 0 during testing
+
+  /*
+    Shorthand cheatsheet:
+
+    this.get('/posts');
+    this.post('/posts');
+    this.get('/posts/:id');
+    this.put('/posts/:id'); // or this.patch
+    this.del('/posts/:id');
+
+    http://www.ember-cli-mirage.com/docs/v0.3.x/shorthands/
+
+  */
+  this.namespace = '/api';
+  this.get('/studies/:id', function() {
+      return {
+          'data': {
+              id: '12345',
+              type: 'study',
+              attributes: {
+                  'name': 'Title of my study',
+                  'duration': '20 minutes'
+              }
+          }
+      }
+  });
+}

mirage/scenarios/default.js

@@ -0,0 +1,11 @@
+export default function(/* server */) {
+
+  /*
+    Seed your development database using your factories.
+    This data will not be loaded in your tests.
+
+    Make sure to define a factory for each model you want to create.
+  */
+
+  // server.createList('post', 10);
+}

mirage/serializers/application.js

@@ -0,0 +1,4 @@
+import { JSONAPISerializer } from 'ember-cli-mirage';
+
+export default JSONAPISerializer.extend({
+});

package.json

@@ -29,6 +29,7 @@
     "ember-cli-htmlbars-inline-precompile": "^0.3.1",
     "ember-cli-inject-live-reload": "^1.4.0",
     "ember-cli-jshint": "^1.0.0",
+    "ember-cli-mirage": "0.3.1",
     "ember-cli-qunit": "^2.1.0",
     "ember-cli-release": "^0.2.9",
     "ember-cli-sri": "^2.1.0",

tests/.jshintrc

@@ -1,5 +1,6 @@
 {
   "predef": [
+    "server",
     "document",
     "window",
     "location",

tests/helpers/destroy-app.js

@@ -2,4 +2,7 @@ import Ember from 'ember';
 
 export default function destroyApp(application) {
   Ember.run(application, 'destroy');
+  if(window.server) {
+    window.server.shutdown();
+  }
 }