[ci skip] Adds tests for issue_note_edited_text component

app/assets/javascripts/notes/components/issue_note_edited_text.vue

@@ -2,6 +2,7 @@
   import timeAgoTooltip from '../../vue_shared/components/time_ago_tooltip.vue';
 
   export default {
+    name: 'editedNoteText',
     props: {
       actionText: {
         type: String,
@@ -37,7 +38,7 @@
     by
     <a
       :href="editedBy.path"
-      class="author_link">
+      class="js-vue-author author_link">
       {{editedBy.name}}
     </a>
   </div>

spec/javascripts/notes/components/issue_note_edited_text_spec.js

+import Vue from 'vue';
+import issueNoteEditedText from '~/notes/components/issue_note_edited_text.vue';
+
 describe('issue_note_edited_text', () => {
-  it('should render block with provided className', () => {
+  let vm;
+  let props;
 
-  });
+  beforeEach(() => {
+    const Component = Vue.extend(issueNoteEditedText);
+    props = {
+      actionText: 'Edited',
+      className: 'foo-bar',
+      editedAt: '2017-08-04T09:52:31.062Z',
+      editedBy: {
+        avatar_url: 'path',
+        id: 1,
+        name: 'Root',
+        path: '/root',
+        state: 'active',
+        username: 'root',
+      },
+    };
 
-  it('should render provided actionText', () => {
+    vm = new Component({
+      propsData: props,
+    }).$mount();
+  });
 
+  afterEach(() => {
+    vm.$destroy();
   });
 
-  it('should render time ago with provided timestamp', () => {
+  it('should render block with provided className', () => {
+    expect(vm.$el.className).toEqual(props.className);
+  });
 
+  it('should render provided actionText', () => {
+    expect(vm.$el.textContent).toContain(props.actionText);
   });
 
   it('should render provided user information', () => {
+    const authorLink = vm.$el.querySelector('.js-vue-author');
 
+    expect(authorLink.getAttribute('href')).toEqual(props.editedBy.path);
+    expect(authorLink.textContent.trim()).toEqual(props.editedBy.name);
   });
 });