@Override
    public void initialize(Map<String, Param> params) throws TikaConfigException {
        shortA = (Short) params.get("shortA").getValue();
        shortB = (Short) params.get("shortB").getValue();
        sum = shortA + shortB;
    }
This tests that initialize() is called after adding the parameters
configured via TikaConfig
tika-core/src/test/java/org/apache/tika/parser/DummyInitializableParser.java