public PackageSettingsViewModel(IUnitTestEngine engine)
{
Runtimes = new[] { new DefaultRuntimeFramework() }
.Concat(engine.TestEngine.Services.GetService <IAvailableRuntimes>().AvailableRuntimes)
.ToList();
PackageSettngs.DomainUsage = "Default";
PackageSettngs.IsRunAsX86 = false;
PackageSettngs.ProcessModel = "Default";
PackageSettngs.RuntimeFramework = Runtimes.FirstOrDefault();
}