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