Parser tests interminnently fail on mediawiki/core REL1_22.
"filesize(): stat failed for /var/lib/jenkins-slave/tmpfs/mediawiki-core-phpunit-parser/Foobar.svg"
https://gerrit.wikimedia.org/r/#/c/121042/
https://integration.wikimedia.org/ci/job/mediawiki-core-phpunit-parser/21604/console
Version: unspecified
Severity: normal