public void ConnectControlSingleton_Constructor_AsyncworkerIsNull_ThrowsException()
{
var studioResourceRepository = new Mock<IStudioResourceRepository>();
var serverProvider = new Mock<IEnvironmentModelProvider>();
var environmentRepository = new Mock<IEnvironmentRepository>();
//------------Execute Test---------------------------
new ConnectControlSingleton(studioResourceRepository.Object, null, serverProvider.Object, environmentRepository.Object);
}