public function testVersion()
 {
     $vk = new \getjump\Vk\Core();
     $vk->apiVersion('5.27');
     $v1 = $v2 = false;
     try {
         $vk->request('users.get')->one();
     } catch (\getjump\Vk\Exception\Error $e) {
         foreach ($e->error->request_params as &$p) {
             if ($p->key == 'v') {
                 $v1 = $p->value;
                 break;
             }
         }
         $this->assertEquals(113, $e->getCode());
     }
     try {
         $obj2 = $vk->request('users.get')->one();
     } catch (\getjump\Vk\Exception\Error $e) {
         foreach ($e->error->request_params as &$p) {
             if ($p->key == 'v') {
                 $v2 = $p->value;
                 break;
             }
         }
         $this->assertEquals(113, $e->getCode(), 'Error code doesn\'t equal');
         $this->assertEquals('5.27', $v1);
         $this->assertEquals('5.27', $v2);
     }
 }