@Test
public void shouldPassIfBuildEffectiveTimeinIVLIsCalledNullValues()
{

	IVL_TS time=CDAHelper.buildEffectiveTimeinIVL(null, null);
	IVXB_TS low=time.getLow();
	IVXB_TS high=time.getHigh();
	NullFlavor nf=low.getNullFlavor();
	NullFlavor nf1=high.getNullFlavor();
			
	Assert.assertNotNull(nf);
	Assert.assertNotNull(nf1);
}