Fix service test

tests/unit/services/project-user-test.js

@@ -1,10 +1,8 @@
 import RSVP from 'rsvp';
-import { set, get } from '@ember/object';
+import { set } from '@ember/object';
 import { moduleFor, test } from 'ember-qunit';
-import { getFlashMessageCount } from 'code-corps-ember/tests/helpers/flash-message';
 
 moduleFor('service:project-user', 'Unit | Service | project user', {
-
   needs: [
     'service:current-user',
     'service:flash-messages',
@@ -13,50 +11,43 @@ moduleFor('service:project-user', 'Unit | Service | project user', {
   ]
 });
 
-test('it exists', function(assert) {
-  let service = this.subject();
-  assert.ok(service);
-});
-
 test('it creates a new projectUser with properties', function(assert) {
+  assert.expect(3);
   let done = assert.async();
   let service = this.subject();
-  let user = get(this, 'currentUser.user');
+  let user = { id: 1 };
+  let project = { title: 'Code Corps' };
+  let projectUser = { project, user, role: 'pending' };
+
+  let mockCurrentUser = { user };
 
   let mockStore = {
-    createRecord(projectUser) {
-      project:'Code Corps',
-      user,
-      role:
+    createRecord(modelName, inputProperties) {
       return {
         save() {
-          return RSVP.resolve({ projectUser });
+          assert.equal(modelName, 'project-user');
+          assert.deepEqual(inputProperties, projectUser);
+          return RSVP.resolve(projectUser);
         }
       };
     }
   };
 
   let mockFlashMessage = {
-    _flashSuccess(message)
-  }
-
-  let currentUser = get(this, 'currentUser.user');
+    clearMessages() {
+      return {
+        success() {
+          assert.ok(true);
+        }
+      };
+    }
+  };
 
-  let user = {
-    currentUser,
-    project: 'Code Corps',
-    role: 'pending' };
+  set(service, 'currentUser', mockCurrentUser);
+  set(service, 'flashMessages', mockFlashMessage);
+  set(service, 'store', mockStore);
 
-  service.joinProject(user).then((result) => {
-    set(service, 'store', mockStore);
-    let created = get(result, 'created');
-    assert.equal(created, true);
+  service.joinProject(project).then(() => {
     done();
   });
 });
-
-
-  service.flashMessages.create('success!').then(() => {
-    assert.equal(getFlashMessageCount(this), 1, 'A flash message was shown.');
-  });
-});