public long getNumEntriesScannedInFilter() {
    return _brokerResponse.has(NUM_ENTRIES_SCANNED_IN_FILTER) ? _brokerResponse.get(NUM_ENTRIES_SCANNED_IN_FILTER)
        .asLong() : -1L;
  }
@Test
  public void testGetNumEntriesScannedInFilter() {
    // Run the test
    final long result = _executionStatsUnderTest.getNumEntriesScannedInFilter();

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