@Test
public void testRandomTextDataGeneratorUniqueness() {

  RandomTextDataGenerator rtdg1 = new RandomTextDataGenerator(10, 1L, 5);
  Set<String> words1 = new HashSet(rtdg1.getRandomWords());
  RandomTextDataGenerator rtdg2 = new RandomTextDataGenerator(10, 0L, 5);
  Set<String> words2 = new HashSet(rtdg2.getRandomWords());
  
  assertFalse("List size mismatch across lists", words1.equals(words2));
}