public void GetServiceById()
{
//Arrange
var mockUnitOfWork = new Mock <IUnitOfWork>();
//Esperamos que se llame al metodo Get del ServiceRepository con un int
mockUnitOfWork.Setup(un => un.ServiceRepository.GetByID(It.IsAny <int>()));
ServiceValidator ServiceValidator = new ServiceValidator(mockUnitOfWork.Object);
//Act
Service returnedService = ServiceValidator.GetService("5");
//Assert
//mockUnitOfWork.VerifyAll();
}