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

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