private SesameTestHelper sth;
@BeforeClass
public void init() {
sth = new SesameTestHelper(TEST_OUTPUT_DIR, LOCAL_MIRRORS);
charOutputSink = new CharOutputSink("UTF-8");
streamProcessorTtl = new StreamProcessor(NTriplesParser.connect(TurtleSerializer.connect(charOutputSink)));
streamProcessorNt = new StreamProcessor(NTriplesParser.connect(NTriplesSerializer.connect(charOutputSink)));
streamProcessorNq = new StreamProcessor(NTriplesParser.connect(NQuadsSerializer.connect(charOutputSink)));
}