public int getNumServersQueried() {
    // Lazily load the field from the JsonNode to avoid reading the stats when not needed.
    return _brokerResponse.has(NUM_SERVERS_QUERIED) ? _brokerResponse.get(NUM_SERVERS_QUERIED).asInt() : -1;
  }
@Test
  public void testGetNumServersQueried() {
    // Run the test
    final int result = _executionStatsUnderTest.getNumServersQueried();

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