Cache\Adapter\Common\CacheItem::get PHP Method

    public function get()
    {
        if (!$this->isHit()) {
            return;
        }
        return $this->value;
    }

 public function testGet()
 {
     $item = new CacheItem('test_key');
     $this->assertNull($item->get());
     $item->set('test');
     $this->assertEquals('test', $item->get());
 }