@Test(expected = InvalidSemanticAnnotationException.class)
public void testForwardedForwardMultiFields() {

	String[] forwardedFields = { "f1->f0,f1" };
	SingleInputSemanticProperties sp = new SingleInputSemanticProperties();
	SemanticPropUtil.getSemanticPropsSingleFromString(sp, forwardedFields, null, null, threeIntTupleType, threeIntTupleType);
}