public async void db_returns_summary() { string connectionString = conf.GetSection("ConnectionStrings")["maria"]; MySqlConnection con = new MySqlConnection(connectionString); StatisticController ctl = new StatisticController( new StatisticService( new StatisticRepository(con, new EmptyLogger()), new DeviceRepository(con, new EmptyLogger())) ); IActionResult res = await ctl.GetDeviceStatisticsDaily(1, "090a34dd-6d08-11ea-b708-000c291c2166"); Assert.True(res != null); }