@Benchmark
  @Threads(16) // Use several threads since we expect contention during logging
  public void testLogging(ManyExpectedCallsLoggingClientAndService client) {
    LOG.warn("log me");
  }
@Test
  public void testLogging() throws Exception {
    ManyExpectedCallsLoggingClientAndService service =
        new ManyExpectedCallsLoggingClientAndService();
    new BeamFnLoggingClientBenchmark().testLogging(service);
    service.tearDown();
  }