Add SessionUsers class including tests

src/DI.php

@@ -22,6 +22,7 @@
 namespace Friendica;
 
 use Dice\Dice;
+use Friendica\Core\Session\Capability\IHandleUserSessions;
 use Friendica\Navigation\SystemMessages;
 use Psr\Log\LoggerInterface;
 
@@ -219,6 +220,11 @@ abstract class DI
 		return self::$dice->create(Core\Session\Capability\IHandleSessions::class);
 	}
 
+	public static function userSession(): IHandleUserSessions
+	{
+		return self::$dice->create(Core\Session\Capability\IHandleUserSessions::class);
+	}
+
 	/**
 	 * @return \Friendica\Core\Storage\Repository\StorageManager
 	 */