public void From_ValueAndUnit_ReturnsQuantityWithSameValueAndUnit()
        {
            var quantity00 = PressureGradient.From(1, PressureGradientUnit.PascalPerMeter);

            AssertEx.EqualTolerance(1, quantity00.PascalPerMeters, PascalPerMetersTolerance);
            Assert.Equal(PressureGradientUnit.PascalPerMeter, quantity00.Unit);
        }