public void GetSources()
{
var result = instance.GetSources(manager).ToArray();
Assert.AreEqual(0, result.Length);
scanConfig.Known.Cameras = "Test";
result = instance.GetSources(manager).ToArray();
Assert.AreEqual(0, result.Length);
scanConfig.Known.Hosts = IPAddress.Any.ToString();
result = instance.GetSources(manager).ToArray();
Assert.AreEqual(1, result.Length);
}