@Test
void runSpiderWithEmptyColumn() throws Exception {

  final SpiderBruteForce spider = new SpiderBruteForce();
  configuration.setProcessEmptyColumns(true);
  spider.execute(configuration);
  verify(resultReceiver, atLeastOnce()).receiveResult(ind.capture());
  assertThat(ind.getAllValues())
      .hasSize(3);
}