public void ClearTest()
{
var storageFactory = new StorageFactory();
storageFactory.GetStorage(false, "LocalStorageFileSystem");
storageFactory.GetStorage(false, "GoogleCloudStorage");
storageFactory.GetStorage(false, "AzureFileStorage");
var property = storageFactory.GetType().GetField("StorageCollection", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.GetField);
var before = ((List <StorageBase>)property.GetValue(storageFactory)).Count;
storageFactory.ClearStorage();
var after = ((List <StorageBase>)property.GetValue(storageFactory)).Count;
Assert.IsTrue((before > after) && after == 0);
}
