function createOrder(){
        var pending = lookups.OrderStatus.Pending;
        return model.Order.create(manager, { orderStatus: pending});
    }
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Test orderItemOptionTypeVm:
Creates viewmodels of the orderItemOptionVms for a given OrderItem.
See orderItemOptionVm.js
There is one OptionType vm for each option type (e.g., 'sauce").
Each vm appears as one of the tabs on the orderItem view.
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