Plum\Plum\WorkflowTest::addConverterConvertsCallbackInArrayIntoCallbackConverter PHP Метод

    public function addConverterConvertsCallbackInArrayIntoCallbackConverter()
    {
        $this->workflow->addConverter(['converter' => function ($item) {
            return $item;
        }]);
        $this->assertInstanceOf('Plum\\Plum\\Converter\\ConverterInterface', $this->workflow->getConverters()[0]->getConverter());
    }