Fixed the preview keyboard shortcut focusing wrong tab

Closes #31101

1 files changed, 29 insertions, 0 deletions

diff --git a/spec/javascripts/shortcuts_spec.js b/spec/javascripts/shortcuts_spec.js
new file mode 100644
index 00000000000..9dd7bc5b42c
--- /dev/null
+++ b/spec/javascripts/shortcuts_spec.js
@@ -0,0 +1,29 @@
+/* global Shortcuts */
+describe('Shortcuts', () => {
+  const fixtureName = 'issues/open-issue.html.raw';
+
+  preloadFixtures(fixtureName);
+
+  describe('toggleMarkdownPreview', () => {
+    let sc;
+    let event;
+
+    beforeEach(() => {
+      loadFixtures(fixtureName);
+
+      spyOnEvent('.js-md-preview-button', 'focus');
+
+      event = $.Event('', {
+        target: document.querySelector('.js-note-text'),
+      });
+
+      sc = new Shortcuts();
+    });
+
+    it('focuses preview button in form', () => {
+      sc.toggleMarkdownPreview(event);
+
+      expect('focus').toHaveBeenTriggeredOn('.js-md-preview-button');
+    });
+  });
+});