### Question:
TaskLogDiscriminator extends AbstractDiscriminator<ILoggingEvent> { @Override public String getKey() { return key; }  @Override String getDiscriminatingValue(ILoggingEvent event); @Override void start(); @Override String getKey(); void setKey(String key); String getLogBase(); void setLogBase(String logBase);  }### Answer:
@Test public void getKey() { Assert.assertEquals("123", taskLogDiscriminator.getKey()); }