Merge branch '27564-shave-dropdown-label-search-spec-duration' into 'master'

Resolve "spec/features/issues/filtered_search/dropdown_label_spec.rb
takes 10 minutes to run"

Closes #27564

See merge request !8929

spec/spec_helper.rb

@@ -35,6 +35,7 @@ RSpec.configure do |config|
   config.include Warden::Test::Helpers, type: :request
   config.include LoginHelpers, type: :feature
   config.include SearchHelpers, type: :feature
+  config.include WaitForAjax, type: :feature
   config.include StubConfiguration
   config.include EmailHelpers, type: :mailer
   config.include TestEnv