public async Task RemoveItemWithNullLockId() { using (RedisServer redisServer = new RedisServer()) { string sessionId = ResetRedisConnectionWrapperAndConfiguration(); RedisSessionStateProvider ssp = new Oriflame.Web.Redis.RedisSessionStateProvider(); await ssp.RemoveItemAsync(null, sessionId, null, null, CancellationToken.None); DisposeRedisConnectionWrapper(); } }