Remove done callbacks from vue components markdown

changelogs/unreleased/remove-done-callbacks-from-vue-components-markdown.yml

+---
+title: Remove done callbacks from vue_shared/components/markdown
+merge_request: 16842
+author: Lee Tickett
+type: other

spec/frontend/vue_shared/components/markdown/header_spec.js

@@ -5,7 +5,7 @@ import headerComponent from '~/vue_shared/components/markdown/header.vue';
 describe('Markdown field header component', () => {
   let vm;
 
-  beforeEach(done => {
+  beforeEach(() => {
     const Component = Vue.extend(headerComponent);
 
     vm = new Component({
@@ -13,8 +13,6 @@ describe('Markdown field header component', () => {
         previewMarkdown: false,
       },
     }).$mount();
-
-    Vue.nextTick(done);
   });
 
   it('renders markdown header buttons', () => {
@@ -42,13 +40,11 @@ describe('Markdown field header component', () => {
     expect(vm.$el.querySelector('li:nth-child(1)').classList.contains('active')).toBeTruthy();
   });
 
-  it('renders `preview` link as active when previewMarkdown is true', done => {
+  it('renders `preview` link as active when previewMarkdown is true', () => {
     vm.previewMarkdown = true;
 
     Vue.nextTick(() => {
       expect(vm.$el.querySelector('li:nth-child(2)').classList.contains('active')).toBeTruthy();
-
-      done();
     });
   });
 

spec/frontend/vue_shared/components/markdown/suggestion_diff_header_spec.js

@@ -64,12 +64,10 @@ describe('Suggestion Diff component', () => {
   });
 
   describe('when apply suggestion is clicked', () => {
-    beforeEach(done => {
+    beforeEach(() => {
       createComponent();
 
       findApplyButton().vm.$emit('click');
-
-      wrapper.vm.$nextTick(done);
     });
 
     it('emits apply', () => {
@@ -88,19 +86,15 @@ describe('Suggestion Diff component', () => {
       expect(wrapper.text()).toContain('Applying suggestion');
     });
 
-    it('when callback of apply is called, hides loading', done => {
+    it('when callback of apply is called, hides loading', () => {
       const [callback] = wrapper.emitted().apply[0];
 
       callback();
 
-      wrapper.vm
-        .$nextTick()
-        .then(() => {
-          expect(findApplyButton().exists()).toBe(true);
-          expect(findLoading().exists()).toBe(false);
-        })
-        .then(done)
-        .catch(done.fail);
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findApplyButton().exists()).toBe(true);
+        expect(findLoading().exists()).toBe(false);
+      });
     });
   });
 });