fix member expire calendar selection by triggering blur

spec/features/projects/members/groups_with_access_list_spec.rb

@@ -31,6 +31,7 @@ feature 'Projects > Members > Groups with access list', :js do
     tomorrow = Date.today + 3
 
     fill_in "member_expires_at_#{group.id}", with: tomorrow.strftime("%F")
+    find('body').click
     wait_for_requests
 
     page.within(find('li.group_member')) do