Wikibase CI is currently broken, Wikibase repo tests have 3 failures. The cause is not clear yet.
Examples of the failure:
* https://integration.wikimedia.org/ci/job/mwext-Wikibase-repo-tests-sqlite-hhvm-jessie/8726/console
* https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/470592
```counterexample
There were 3 failures:
1) Wikibase\Lib\Tests\Store\Sql\SiteLinkTableTest::testSaveLinksOfItem with data set #0 (Wikibase\DataModel\Entity\Item Object (...))
Failed asserting that false is true.
src/extensions/Wikibase/lib/tests/phpunit/Store/Sql/SiteLinkTableTest.php:67
src/tests/phpunit/MediaWikiTestCase.php:424
src/maintenance/doMaintenance.php:94
2) Wikibase\Client\Tests\Store\Sql\BulkSubscriptionUpdaterTest::testUpdateSubscriptions
Failed asserting that two arrays are equal.
--- Expected
+++ Actual
@@ @@
5 => 'testwiki@Q11'
- 6 => 'testwiki@Q22'
)
src/extensions/Wikibase/client/tests/phpunit/includes/Store/Sql/BulkSubscriptionUpdaterTest.php:155
src/tests/phpunit/MediaWikiTestCase.php:424
src/maintenance/doMaintenance.php:94
3) Wikibase\Client\Tests\Store\Sql\BulkSubscriptionUpdaterTest::testUpdateSubscriptions_startItem
Expectation failed for method name is equal to <string:reportMessage> when invoked 1 time(s).
Method was expected to be called 1 times, actually called 0 times.
src/tests/phpunit/MediaWikiTestCase.php:424
src/maintenance/doMaintenance.php:94
```
Repositories involved:
```
mediawiki/core
mediawiki/extensions/Wikibase
mediawiki/extensions/CirrusSearch
mediawiki/extensions/Elastica
mediawiki/extensions/GeoData mediawiki/extensions/cldr
```
Database backend: **SQLite**
PHPUnit command:
```
php -d zend.enable_gc=0 phpunit.php \
--verbose \
--log-junit /home/jenkins/workspace/mwext-Wikibase-repo-tests-sqlite-hhvm-jessie/log/junit-wikidata.xml \
--group Wikibase,WikibaseAPI,Purtle
```