Try to fix some EE protected branches specs

spec/support/shared_examples/features/protected_branches_access_control_ee.rb

@@ -98,6 +98,7 @@ shared_examples "protected branches > access control > EE" do
       within(".protected-branches-list") do
         find(".js-allowed-to-#{git_operation}").trigger(:click)
         find(".dropdown-input-field").set(users.last.name) # Find a user that is not loaded
+        wait_for_requests
 
         expect(page).to have_selector('.dropdown-header', count: 3)
 
@@ -105,7 +106,6 @@ shared_examples "protected branches > access control > EE" do
           expect(all('.dropdown-header')[index]).to have_content(header)
         end
 
-        wait_for_requests
         click_on users.last.name
         find(".js-allowed-to-#{git_operation}").trigger(:click) # close
       end
@@ -113,6 +113,7 @@ shared_examples "protected branches > access control > EE" do
 
       # Verify the user is appended in the dropdown
       find(".protected-branches-list .js-allowed-to-#{git_operation}").trigger(:click)
+      wait_for_requests
       expect(page).to have_selector '.dropdown-content .is-active', text: users.last.name
 
       expect(ProtectedBranch.count).to eq(1)