public void StopMonitoringAsync_NoException()
{
// arrange
var mockedFileSystem = A.Fake <IFileSystemManager>();
var mockedTimer = A.Fake <ITimer>();
var loader = A.Fake <ITradeDataLoader>();
const int periodSeconds = 5;
const string monitoringDirectory = "X:\\folder1\\folder2\\";
var monitor = new TradeDataMonitor(mockedFileSystem, mockedTimer, loader, periodSeconds, monitoringDirectory); // inject
monitor.StartMonitoring();
// act
monitor.StopMonitoringAsync().Wait();
// assert
Assert.AreEqual(false, monitor.IsMonitoringStarted);
}