/**
* Test get returns null if key doesn't exist
*/
public function testGetReturnsNullWhenKeyNotExists()
{
$entity = new Entity([]);
$this->assertNull($entity->get("doesntExist"));
}
/**
* Populate an entity from request or response body
*
* @param string $body
* @param Entity $entity
* @return Entity
*/
public function entityFromBody($body, $entity)
{
$json = $this->decodeJson($body);
return $entity->populate($json);
}