SomeTest.java

@Test
    public void whenSetRating_Then_RatingDetail_Total_Increment() {
        reviewItem = new ReviewItem(5);
        review.addReviewItem(reviewItem);
        assertAll(
                () -> assertEquals(1, review.findRatingDetailByRatingGroup(5).getTotal(), 0),
                () -> assertNotEquals(1, review.findRatingDetailByRatingGroup(2).getTotal(), 0),
                () -> {
                    reviewItem = new ReviewItem(5);
                    review.addReviewItem(reviewItem);
                    assertEquals(2,review.findRatingDetailByRatingGroup(5).getTotal(),0);
                }
        );
    }