Since Flow got added to the mediawiki-extensions job (T88206) in https://gerrit.wikimedia.org/r/#/c/187902/, the job intermittently fail:
https://integration.wikimedia.org/ci/job/mediawiki-extensions-hhvm/2653/consoleFull
```
There was 1 error:
1) Flow\Tests\Api\ApiFlowReplyTest::testTopLevelReply
Failed to open https://meta.wikimedia.org/w/index.php?title=Spam_blacklist&action=raw&sb_ver=1 (Operation timed out after 4159 milliseconds ..)
/src/extensions/SpamBlacklist/BaseBlacklist.php:273
/src/extensions/SpamBlacklist/BaseBlacklist.php:247
/src/extensions/SpamBlacklist/BaseBlacklist.php:196
/src/extensions/SpamBlacklist/SpamBlacklist_body.php:47
/src/extensions/Flow/includes/SpamFilter/SpamBlacklist.php:24
/src/extensions/Flow/includes/SpamFilter/Controller.php:45
/src/extensions/Flow/includes/Block/Block.php:301
/src/extensions/Flow/includes/Block/TopicList.php:92
/src/extensions/Flow/includes/Block/Block.php:194
/src/extensions/Flow/includes/SubmissionHandler.php:104
/src/extensions/Flow/includes/WorkflowLoader.php:63
/src/extensions/Flow/includes/api/ApiFlowBasePost.php:20
/src/extensions/Flow/includes/api/ApiFlow.php:81
/src/includes/api/ApiMain.php:1024
/src/includes/api/ApiMain.php:362
/src/tests/phpunit/includes/api/ApiTestCase.php:115
/src/extensions/Flow/tests/phpunit/api/ApiTestCase.php:53
/src/extensions/Flow/tests/phpunit/api/ApiTestCase.php:67
/src/extensions/Flow/tests/phpunit/api/ApiFlowReplyTest.php:18
/src/tests/phpunit/MediaWikiTestCase.php:141
```
Please address the unit tests and/or the underlying configuration to not fetch meta.wikimedia.org configuration (or any other url for that matter). Perhaps a mock object can do here. Or perhaps ensuring wg-variables are set correctly instead of relying on Jenkins or MediaWiki default settings (which is bad practice).
See MediaWiki core phpunit tests for examples of where relevant wg-variables are set to explicit values.