getReadInfoExtractor example

$this->builder->setCacheItemPool($cacheItemPool);
        $this->assertEquals($cacheItemPool, $this->builder->getCacheItemPool());
        $this->assertInstanceOf(PropertyAccessor::class, $this->builder->getPropertyAccessor());
    }

    public function testUseReadInfoExtractor()
    {
        $readInfoExtractor = $this->createMock(PropertyReadInfoExtractorInterface::class);

        $this->builder->setReadInfoExtractor($readInfoExtractor);

        $this->assertSame($readInfoExtractor, $this->builder->getReadInfoExtractor());
        $this->assertInstanceOf(PropertyAccessor::class, $this->builder->getPropertyAccessor());
    }

    public function testUseWriteInfoExtractor()
    {
        $writeInfoExtractor = $this->createMock(PropertyWriteInfoExtractorInterface::class);

        $this->builder->setWriteInfoExtractor($writeInfoExtractor);

        $this->assertSame($writeInfoExtractor, $this->builder->getWriteInfoExtractor());
        $this->assertInstanceOf(PropertyAccessor::class, $this->builder->getPropertyAccessor());
    }