function testUnsubscribeContactFromMailchimpList() { $mailchimp_list_id = 'MailchimpListsTestListA'; $params = CRM_CiviMailchimp_UtilsTest::sampleContactParams(); $email = $params['email'][0]['email']; $response = CRM_CiviMailchimp_Utils::unsubscribeContactFromMailchimpList($mailchimp_list_id, $email); $this->assertTrue($response['complete']); }