public void TestEmptyCreateStartedShouldUseSystemStopwatch()
{
var sw = Stopwatches.CreateAndStart();
sw.Should().BeOfType <TickerBackedStopwatch>()
.Which.Ticker
.Should().BeOfType <SystemStopwatchBackedTicker>();
}
public void TestCreateStarted()
{
Stopwatches.CreateAndStart(ticker)
.IsRunning.Should().BeTrue();
}