[PHP8] Failed MFTF tests for downloadable product

[github-jira-sync-bot]

There are failed MFTF tests for MFTF tests. 

Please see magento log for corresponding test:

<2021-10-06T13:11:57.592836+00:00> report.CRITICAL: Error: fsockopen(): Argument #3 ($error_code) cannot be passed by reference in /var/www/html/lib/internal/Magento/Framework/Filesystem/Driver/Http.php:253
{code}
Steps to reproduce:
* Run  following test with PHP8
  * AdminImportDownloadableProductsWithUrlLinksTest

Actual result:

Test failed with 
{code:java}
An error has happened during application run. See exception log for details.

Expected result:

Test should pass

[github-jira-sync-bot]

The issue was exported from the internal Jira. The link to the original Jira issue: https://jira.corp.magento.com/browse/AC-1397

[m2-assistant]

Hi @github-jira-sync-bot. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

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Please, add a comment to assign the issue: @magento I am working on this

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[anzin]

@magento I am working on this

[xmav]

one more exception (most likely from another test)
/group288/system.log:[2021-10-06T12:57:09.162852+00:00] report.CRITICAL: Error: Call to a member function getId() on null in /var/www/html/app/code/Magento/Bundle/Model/Product/SelectionProductsDisabledRequired.php:131