public void IsActive_returns_true_when_AmbientObserver_instantiated()
{
using (var observer = AmbientObserver.Activate())
{
Assert.True(AmbientObserver.IsActive(out _));
}
}
public void IsActive_returns_false_when_no_AmbientObserver_instantiated()
{
Assert.False(AmbientObserver.IsActive(out _));
}