public void From_ValueAndUnit_ReturnsQuantityWithSameValueAndUnit()
        {
            var quantity00 = AreaVolumeRation.From(1, AreaVolumeRationUnit.SquareMeterPerLiter);

            AssertEx.EqualTolerance(1, quantity00.SquareMeterPerLiters, SquareMeterPerLitersTolerance);
            Assert.Equal(AreaVolumeRationUnit.SquareMeterPerLiter, quantity00.Unit);
        }