public void Initialize()
{
collection = new CollectionState(new Uri(SANDBOX_URI));
collection.AuthenticateViaOAuth2Password(Resources.TestUserName, Resources.TestPassword, Resources.TestClientId);
tree = new FamilySearchFamilyTree(true);
tree.AuthenticateWithAccessToken(collection.CurrentAccessToken);
cleanup = new List <GedcomxApplicationState>();
Assert.DoesNotThrow(() => collection.IfSuccessful());
Assert.IsNotNull(collection.CurrentAccessToken);
Assert.IsNotEmpty(collection.CurrentAccessToken);
}