public function testYouCANDeleteParentBeanWithFALSE()
{
$book = $this->_createBook();
asrt(isset($book->author), FALSE);
asrt((bool) $book->author, TRUE);
$book->author = FALSE;
R::store($book);
$book = $book->fresh();
asrt(isset($book->author), FALSE);
asrt((bool) $book->author, FALSE);
}