Fix tests failing in headed mode

qa/qa/ee/page/project/settings/protected_branches.rb

@@ -35,7 +35,7 @@ module QA
               end
 
               # Click the select element again to close the dropdown
-              click_element :protected_branch_select
+              click_element :"allowed_to_#{action}_select"
             end
           end
         end

qa/qa/page/project/settings/protected_branches.rb

@@ -61,7 +61,7 @@ module QA
             end
 
             # Click the select element again to close the dropdown
-            click_element :protected_branch_select
+            click_element :"allowed_to_#{action}_select"
           end
         end
       end