/**
* Tests Twitter->helpConfiguration()
*/
public function testHelpConfiguration()
{
$response = $this->twitter->helpConfiguration();
$this->assertArrayHasKey('non_username_paths', $response);
$this->assertArrayHasKey('photo_size_limit', $response);
$this->assertArrayHasKey('max_media_per_upload', $response);
$this->assertArrayHasKey('characters_reserved_per_media', $response);
$this->assertArrayHasKey('short_url_length', $response);
$this->assertArrayHasKey('photo_sizes', $response);
$this->assertArrayHasKey('short_url_length_https', $response);
}