### Question:
AbstractServerTracer extends AbstractTracer { protected String getClientDigestReporterLogName() { return null; } AbstractServerTracer(String tracerType);   }### Answer:
@Test public void getClientDigestReporterLogName() { String clientDigestReporterLogName = serverTracer.getClientDigestReporterLogName(); Assert.assertTrue(clientDigestReporterLogName == null); }