Use the parent element to find elements to remove the child

.detail-page-header-actions is planed to remove from
issuable_header.vue:
https://gitlab.com/gitlab-org/gitlab/-/issues/333068

Changelog: other
EE: true
Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

ee/spec/features/projects/quality/test_case_show_spec.rb

@@ -33,7 +33,7 @@ RSpec.describe 'Test Cases', :js do
       end
 
       it 'shows action buttons' do
-        page.within('.test-case-container .detail-page-header-actions') do
+        page.within('.test-case-container .detail-page-header') do
           expect(page).to have_selector('.dropdown', visible: false)
           expect(page).to have_button('Archive test case')
           expect(page).to have_link('New test case', href: new_project_quality_test_case_path(project))