blink\testing\RequestActor::formatToExpectedJson PHP Метод

    protected function formatToExpectedJson($key, $value)
    {
        $expected = json_encode([$key => $value]);
        if ($expected[0] == '{') {
            $expected = substr($expected, 1);
        }
        if ($expected[strlen($expected) - 1] == '}') {
            $expected = substr($expected, 0, -1);
        }
        return $expected;
    }