public function testInsertWithKindAndArrayAccess()
{
$entityDataKey = 'test';
$entityDataValue = 'hello';
$entity = self::$client->entity('Person');
$entity[$entityDataKey] = $entityDataValue;
self::$client->insert($entity);
$key = $entity->key();
self::$deletionQueue[] = $key;
$entity = self::$client->lookup($key);
$this->assertEquals([$entityDataKey => $entityDataValue], $entity->get());
}