public void DownloadGame_GetsInvalidKey_ReturnsNull()
{
// Arrange
var mock = new Mock <IStoreService>();
mock.Setup(a => a.GetGame(It.IsAny <string>())).Throws(new ValidationException("", ""));
var sut = new GamesController(mock.Object, _loggerMock.Object);
// Act
var res = sut.Download("invalid-key");
// Assert
Assert.That(res, Is.Null);
}