Fix broken specs

ee/spec/frontend/security_configuration/components/expandable_section_spec.js

 import { mount, shallowMount } from '@vue/test-utils';
 import ExpandableSection from 'ee/security_configuration/components/expandable_section.vue';
 import { stubTransition } from 'helpers/stub_transition';
+import waitForPromises from 'helpers/wait_for_promises';
 
 describe('ExpandableSection component', () => {
   let wrapper;
@@ -90,7 +91,8 @@ describe('ExpandableSection component', () => {
     });
 
     describe('clicking the expand button', () => {
-      beforeEach(() => {
+      beforeEach(async () => {
+        await waitForPromises();
         const button = findButton();
         button.trigger('click');
         return wrapper.vm.$nextTick();

spec/frontend/pages/projects/learn_gitlab/components/__snapshots__/learn_gitlab_a_spec.js.snap

@@ -44,9 +44,7 @@ exports[`Learn GitLab Design A renders correctly 1`] = `
         class="progress-bar"
         role="progressbar"
         style="width: 22.22222222222222%;"
-      >
-        <!---->
-      </div>
+      />
     </div>
   </div>
    

spec/frontend/pages/projects/learn_gitlab/components/__snapshots__/learn_gitlab_b_spec.js.snap

@@ -44,9 +44,7 @@ exports[`Learn GitLab Design B renders correctly 1`] = `
         class="progress-bar"
         role="progressbar"
         style="width: 22.22222222222222%;"
-      >
-        <!---->
-      </div>
+      />
     </div>
   </div>