public void subscribeNewReplyReasonForComment(Comment comment) {
        subscribeReply(identityFrom(comment.getSpec().getOwner()));
    }
@Test
    void subscribeNewReplyReasonForCommentTest() {
        var comment = createComment();
        var spyNotificationSubscriptionHelper = spy(notificationSubscriptionHelper);

        doNothing().when(spyNotificationSubscriptionHelper).subscribeReply(any(UserIdentity.class));

        spyNotificationSubscriptionHelper.subscribeNewReplyReasonForComment(comment);

        verify(spyNotificationSubscriptionHelper).subscribeReply(
            eq(ReplyNotificationSubscriptionHelper.identityFrom(
                comment.getSpec().getOwner()))
        );
    }