@Test
public void testTraceIdToId() {

    // hex to decimal
    long ff = ZipkinSofaTracerSpanRemoteReporter.traceIdToId("FF");
    Assert.assertTrue(ff == 255);
    long decimal88 = ZipkinSofaTracerSpanRemoteReporter.traceIdToId("8");
    Assert.assertTrue(decimal88 == 8);
}