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

	System.out.println("testMissingReqAttribute()");
	attributeToCheck.setValue(true);
	reqAttribute.setValue("false");
	Attribute attribute = new Attribute();
	when(sess.getPerunBl().getAttributesManagerBl().getAttribute(sess, group, GroupsManager.GROUPSQUERY_ATTRNAME)).thenReturn(attribute);
	classInstance.checkAttributeSemantics(sess, group, attributeToCheck);
}