@Test
public void forBaseUnitsOfDifferentSystemsShouldBeTrue() {

    assertTrue(UnitUtils.isDifferentMeasurementSystem(SIUnits.CELSIUS, ImperialUnits.FAHRENHEIT));
    assertTrue(UnitUtils.isDifferentMeasurementSystem(ImperialUnits.MILES_PER_HOUR, SIUnits.KILOMETRE_PER_HOUR));
}