@Test(expected = WrongReferenceAttributeValueException.class)
public void testSemanticsWithoutReqAttribute() throws Exception {

	System.out.println("testSemanticsWithoutReqAttribute()");
	attributeToCheck.setValue("example");
	reqAttribute.setValue(null);
	classInstance.checkAttributeSemantics(sess, user, facility, attributeToCheck);
}