**Steps to reproduce**
REL1_25
* go to https://gerrit.wikimedia.org/r/#/c/289880/
REL1_26
* go to https://gerrit.wikimedia.org/r/#/c/267827/
* scroll to bottom where you see the tests failures.
* Select any one for example this one https://integration.wikimedia.org/ci/job/mediawiki-phpunit-hhvm-trusty/688/console
and https://integration.wikimedia.org/ci/job/mediawiki-phpunit-hhvm-trusty/744/console
**Actual results**
REL1_25
* tests are failing with
18:15:11 There were 2 errors:
18:15:11
18:15:11 1) ApiLoginTest::testApiLoginBadPass
18:15:11 Trying to destroy uninitialized session
18:15:11
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/GlobalFunctions.php:3461
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3574
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3556
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/includes/api/ApiLoginTest.php:26
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/MediaWikiTestCase.php:131
18:15:11
18:15:11 2) ApiLoginTest::testApiLoginGoodPass
18:15:11 Trying to destroy uninitialized session
18:15:11
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/GlobalFunctions.php:3461
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3574
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3556
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/includes/api/ApiLoginTest.php:71
18:15:11 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/MediaWikiTestCase.php:131
REL1_26
15:08:21 There were 2 errors:
15:08:21
15:08:21 1) ApiLoginTest::testApiLoginBadPass
15:08:21 Trying to destroy uninitialized session
15:08:21
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/GlobalFunctions.php:3473
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3639
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3621
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/includes/api/ApiLoginTest.php:26
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/MediaWikiTestCase.php:131
15:08:21
15:08:21 2) ApiLoginTest::testApiLoginGoodPass
15:08:21 Trying to destroy uninitialized session
15:08:21
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/GlobalFunctions.php:3473
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3639
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/includes/User.php:3621
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/includes/api/ApiLoginTest.php:71
15:08:21 /home/jenkins/workspace/mediawiki-phpunit-hhvm-trusty/src/tests/phpunit/MediaWikiTestCase.php:131
**Expected results**
The tests should pass without failure.
I think this https://phabricator.wikimedia.org/diffusion/MW/browse/REL1_25/tests/phpunit/includes/api/ApiLoginTest.php may have broken the tests but I'm not sure.