Adds GitLab UI styles to button in _test_button.html.haml

app/views/shared/web_hooks/_test_button.html.haml

@@ -3,7 +3,7 @@
 - triggers = hook.class.triggers
 
 .hook-test-button.dropdown.inline>
-  %button.btn{ 'data-toggle' => 'dropdown', class: button_class }
+  %button.btn.gl-button{ 'data-toggle' => 'dropdown', class: button_class }
     = _('Test')
     = sprite_icon('chevron-down')
   %ul.dropdown-menu.dropdown-menu-right{ role: 'menu' }

changelogs/unreleased/ApplyGitLabUIbuttonstylestobuttonsin_test_button-html-haml.yml

+---
+title: Adds GitLabUI button styles in _test_button.html.haml
+merge_request: 51070
+author: nuwe1
+type: other