Revize c9ac14ff

Re #9051. Prepared for testing.

Server/ServerAppFunctionalTests/Predictor/PredictionControllerTests.cs

@@ -24 +24 @@
         public void PredictSingleTimeWeatherTest()
         {
             System.IO.Directory.CreateDirectory(@".\data");
-            DataDownloader dd = new DataDownloader(@".\data\dd\", "http://openstore.zcu.cz/", "OD_ZCU_{type}_{month}_{year}_{format}.zip");
+            DataDownloader dd = new DataDownloader(@".\data\dd\", "http://openstore.zcu.cz/", "OD_ZCU_{type}_{month}_{year}_{format}.zip", "http://wttr.in/Plzen,czechia?format=j1");
             PredictionController instance = new PredictionController(new JsonParser(dd, new CsvDataLoader()), new DataParser(dd));
 
             dd.DownloadData(DataType.JIS, DataFormat.CSV, new DataDownload.Date(1, 2019), new DataDownload.Date(12, 2020));