This error is currently blocking all of GrowthExperiments CI
00:01:27.683 Report from `split_group5`:
00:01:27.683
00:01:27.683 There was 1 failure:
00:01:27.683
00:01:27.683 1) MediaWiki\Tests\Structure\BundleSizeTest::testBundleSize with data set "mediawiki.base" (array('N/A', 'mediawiki.base', '17.0 kB'))
00:01:27.683 mediawiki.base should be less than 17408 (uncompressed) bytes
00:01:27.683 Failed asserting that 18843 is less than 17408.0.
00:01:27.684
00:01:27.684 /workspace/src/tests/phpunit/structure/BundleSizeTestBase.php:147from an empty commit on GrowthExperiments master branch: https://integration.wikimedia.org/ci/job/quibble-vendor-mysql-php83/67631/console
However, this test _does_ pass on CommunityConfiguration master ({DNM}: Empty commit to test CI on CC master) and Echo master ({DNM}: Empty commit to test CI on Echo master).
Prior occurrences: