function testRetrieveMailchimpMemberExportFile()
{
$url = __DIR__ . '/../../sample_mailchimp_export.txt';
$url = 'file:///' . realpath($url);
$list_id = 'MailchimpListsTestListA';
$file_path = CRM_CiviMailchimp_Utils::retrieveMailchimpMemberExportFile($url, $list_id);
$this->assertFileExists($file_path);
$this->assertFileEquals($url, $file_path);
CRM_CiviMailchimp_Utils::deleteMailchimpMemberExportFile($file_path);
$this->assertFileNotExists($file_path);
}