Add model unit test for patient-note (#875)

- Add model unit test for patient-note

tests/unit/models/patient-note-test.js

@@ -0,0 +1,47 @@
+import { moduleForModel, test } from 'ember-qunit';
+import Ember from 'ember';
+import tHelper from 'ember-i18n/helper';
+import localeConfig from 'ember-i18n/config/en';
+
+moduleForModel('patient-note', 'Unit | Model | patient-note', {
+  needs: [
+    'ember-validations@validator:local/presence',
+    'service:i18n',
+    'locale:en/translations',
+    'locale:en/config',
+    'util:i18n/missing-message',
+    'util:i18n/compile-template',
+    'config:environment',
+    'model:patient',
+    'model:visit'
+  ],
+  beforeEach() {
+    // set the locale and the config
+    this.container.lookup('service:i18n').set('locale', 'en');
+    this.registry.register('locale:en/config', localeConfig);
+
+    // manually inject the i18n service as initialzer does not run
+    // in unit test
+    Ember.getOwner(this).inject('model', 'i18n', 'service:i18n');
+
+    // register t helper
+    this.registry.register('helper:t', tHelper);
+  }
+});
+
+test('authoredBy', function(assert) {
+  let patientNote = this.subject({
+    createdBy: 'Test Person'
+  });
+
+  assert.strictEqual(patientNote.get('authoredBy'), 'Test Person');
+});
+
+test('authoredBy', function(assert) {
+  let patientNote = this.subject({
+    createdBy: 'Test Person',
+    attribution: 'Test Organization'
+  });
+
+  assert.strictEqual(patientNote.get('authoredBy'), 'Test Person on behalf of Test Organization');
+});