public void ParamlessConstructedSpeedUnit_ShouldBeEqualToMetrePerSecond() { // arrange var paramlessConstructedSpeedUnit = new SpeedUnit(); var metrePerSecond = SpeedUnit.MetrePerSecond; // act // assert metrePerSecond.Equals(paramlessConstructedSpeedUnit).Should().BeTrue(because: "'SpeedUnit.MetrePerSecond' should be equal 'new SpeedUnit()'"); paramlessConstructedSpeedUnit.Equals(metrePerSecond).Should().BeTrue(because: "'new SpeedUnit()' should be equal 'SpeedUnit.MetrePerSecond'"); }