public void ShouldUpdateVaccination()
        {
            //Arrange
            var sut = BuildSUT();

            var vaccinationViewModelMock = new VaccinationViewModelMock();

            vaccinationViewModelMock.SetupGet(x => x.Id).Returns(1);
            vaccinationViewModelMock.SetupUpdate();

            sut.Vaccinations.Add(vaccinationViewModelMock.Object);

            //Act
            sut.SaveCommand.Execute(vaccinationViewModelMock.Object.Id);

            //Assert
            vaccinationViewModelMock.Verify(x => x.Update(), Times.Once);
        }