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

	String[] readFields = { "notValid" };
	SingleInputSemanticProperties sp = new SingleInputSemanticProperties();
	SemanticPropUtil.getSemanticPropsSingleFromString(sp, null, null, readFields, threeIntTupleType, threeIntTupleType);
}