public int getNumServersResponded() {
    return _brokerResponse.has(NUM_SERVERS_RESPONDED) ? _brokerResponse.get(NUM_SERVERS_RESPONDED).asInt() : -1;
  }
@Test
  public void testGetNumServersResponded() {
    // Run the test
    final int result = _executionStatsUnderTest.getNumServersResponded();

    // Verify the results
    assertEquals(10, result);
  }