Sanpi\Behatch\Context\JsonContext::theJsonNodeShouldBeNull PHP Метод

    public function theJsonNodeShouldBeNull($node)
    {
        $json = $this->getJson();
        $actual = $this->inspector->evaluate($json, $node);
        if (null !== $actual) {
            throw new \Exception(sprintf('The node value is `%s`', json_encode($actual)));
        }
    }