public void EqualsReturnsFalseOnNull()
        {
            PressureGradient pascalpermeter = PressureGradient.FromPascalPerMeters(1);

            Assert.False(pascalpermeter.Equals(null));
        }
        public void EqualsReturnsFalseOnTypeMismatch()
        {
            PressureGradient pascalpermeter = PressureGradient.FromPascalPerMeters(1);

            Assert.False(pascalpermeter.Equals(new object()));
        }