void compatibleCreationTime(Comment comment) {
        var creationTime = comment.getSpec().getCreationTime();
        if (creationTime == null) {
            creationTime = defaultIfNull(comment.getSpec().getApprovedTime(),
                comment.getMetadata().getCreationTimestamp());
        }
        comment.getSpec().setCreationTime(creationTime);
    }
@Test
    void compatibleCreationTime() {
        Comment comment = new Comment();
        comment.setMetadata(new Metadata());
        comment.getMetadata().setName("fake-comment");
        comment.setSpec(new Comment.CommentSpec());
        comment.getSpec().setApprovedTime(Instant.now());
        comment.getSpec().setCreationTime(null);

        commentReconciler.compatibleCreationTime(comment);

        assertThat(comment.getSpec().getCreationTime())
            .isEqualTo(comment.getSpec().getApprovedTime());
    }