public void Commit_Calls_Store_SaveChanges()
        {
            //Arrange
            var mockStore  = new Mock <IGEDCOMStore>();
            var unitOfWork = new GEDCOMUnitOfWork(mockStore.Object);

            //Act
            unitOfWork.Commit();

            //Assert
            mockStore.Verify(s => s.SaveChanges(), Times.Once);
        }