Added header to protected branches access dropdowns

CE part of https://gitlab.com/gitlab-org/gitlab-ee/issues/1294

app/controllers/projects/protected_branches_controller.rb

@@ -68,8 +68,12 @@ class Projects::ProtectedBranchesController < Projects::ApplicationController
 
   def access_levels_options
     {
-      push_access_levels: ProtectedBranch::PushAccessLevel.human_access_levels.map { |id, text| { id: id, text: text, before_divider: true } },
-      merge_access_levels: ProtectedBranch::MergeAccessLevel.human_access_levels.map { |id, text| { id: id, text: text, before_divider: true } }
+      push_access_levels: {
+        "Roles" => ProtectedBranch::PushAccessLevel.human_access_levels.map { |id, text| { id: id, text: text, before_divider: true } },
+      },
+      merge_access_levels: {
+        "Roles" => ProtectedBranch::MergeAccessLevel.human_access_levels.map { |id, text| { id: id, text: text, before_divider: true } }
+      }
     }
   end
 

changelogs/unreleased/protected-branch-dropdown-titles.yml

+---
+title: Added headers to protected branch access dropdowns
+merge_request:
+author:

spec/features/protected_branches/access_control_ce_spec.rb

@@ -26,7 +26,11 @@ RSpec.shared_examples "protected branches > access control > CE" do
 
       within(".protected-branches-list") do
         find(".js-allowed-to-push").click
-        within('.js-allowed-to-push-container') { click_on access_type_name }
+        
+        within('.js-allowed-to-push-container') do
+          expect(first("li")).to have_content("Roles")
+          click_on access_type_name
+        end
       end
 
       wait_for_ajax
@@ -61,7 +65,11 @@ RSpec.shared_examples "protected branches > access control > CE" do
 
       within(".protected-branches-list") do
         find(".js-allowed-to-merge").click
-        within('.js-allowed-to-merge-container') { click_on access_type_name }
+
+        within('.js-allowed-to-merge-container') do
+          expect(first("li")).to have_content("Roles")
+          click_on access_type_name
+        end
       end
 
       wait_for_ajax