What does this error mean in codeception?

Question

Yii

I am making a site on the Yii2 framework, I connected Codeception. When running the test, the following error occurs:

Codeception PHP Testing Framework v2.1.5
Powered by PHPUnit 4.8.21 by Sebastian Bergmann and contributors.

Acceptance Tests (1) ------------------------------------------------------------------------------------------------
Perform actions and see result (SmokeTestCept)                                                                  Error
---------------------------------------------------------------------------------------------------------------------

Functional Tests (0) ------------------------
---------------------------------------------

Unit Tests (0) ------------------------------
---------------------------------------------


Time: 9.11 seconds, Memory: 8.50Mb

There was 1 error:

---------
1) Failed to perform actions and see result in SmokeTestCept (tests\acceptance\\SmokeTestCept.php)

                                                                                                               
  [GuzzleHttp\Exception\ConnectException] cURL error 7: See http://curl.haxx.se/libcurl/c/libcurl-errors.html  
                                                                                                               

Scenario Steps:

 1. $I->amOnPage("/")

#1  F:\home\crm.app\vendor\guzzlehttp\guzzle\src\RequestFsm.php:104
#2  F:\home\crm.app\vendor\guzzlehttp\guzzle\src\RequestFsm.php:132
#3  F:\home\crm.app\vendor\react\promise\src\FulfilledPromise.php:25
#4  F:\home\crm.app\vendor\react\promise\src\Promise.php:114
#5  F:\home\crm.app\vendor\react\promise\src\Promise.php:159
#6  F:\home\crm.app\vendor\react\promise\src\Promise.php:128
#7  F:\home\crm.app\vendor\react\promise\src\Promise.php:177
#8  React\Promise\Promise->React\Promise\{closure}
#9  F:\home\crm.app\vendor\react\promise\src\Deferred.php:35
#10 F:\home\crm.app\vendor\guzzlehttp\ringphp\src\Client\CurlMultiHandler.php:247

FAILURES!
Tests: 1, Assertions: 0, Errors: 1.

Tell me what it means and how to fix it?

Answer 1

everything is written there. We follow the link:
curl.haxx.se/libcurl/c/libcurl-errors.html
and see what the error with status 7 means