1 files changed, 9 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/markdown/header_spec.js b/spec/frontend/vue_shared/components/markdown/header_spec.js
index 077c2174571..fec6abc9639 100644
--- a/spec/frontend/vue_shared/components/markdown/header_spec.js
+++ b/spec/frontend/vue_shared/components/markdown/header_spec.js
@@ -48,6 +48,7 @@ describe('Markdown field header component', () => {
         'Add a bullet list',
         'Add a numbered list',
         'Add a task list',
+        'Add a collapsible section',
         'Add a table',
         'Go full screen',
       ];
@@ -133,6 +134,14 @@ describe('Markdown field header component', () => {
     );
   });
 
+  it('renders collapsible section template', () => {
+    const detailsBlockButton = findToolbarButtonByProp('icon', 'details-block');
+
+    expect(detailsBlockButton.props('tag')).toEqual(
+      '<details><summary>Click to expand</summary>\n{text}\n</details>',
+    );
+  });
+
   it('does not render suggestion button if `canSuggest` is set to false', () => {
     createWrapper({
       canSuggest: false,