AbstractServerTracer extends AbstractTracer { protected AbstractSofaTracerStatisticReporter generateClientStatReporter() { return null; } AbstractServerTracer(String tracerType);   }
@Test public void generateClientStatReporter() { AbstractSofaTracerStatisticReporter abstractSofaTracerStatisticReporter = serverTracer .generateClientStatReporter(); Assert.assertTrue(abstractSofaTracerStatisticReporter == null); }