### Question:
Statistics { public void newDeduced() { newDeduced++; }  void add(Statistics statistics); void found(); void groupedValidation(); void invalid(); void newDeduced(); void notSupported(); void round(); void validated();  }### Answer:
@Test public void testNewDeduced() { Statistics statistics = new Statistics(); assertThat(statistics.getNewDeduced()).isEqualTo(0); statistics.newDeduced(); assertThat(statistics.getNewDeduced()).isEqualTo(1); }