Scribunto has lots of tests that are slow and most of them don't need MediaWikiIntegrationTestCase that has a large overhead but still they use it making it rather slow.
Related Gerrit Patches:
|mediawiki/extensions/Scribunto : master||Split LuaEngineTestBase to LuaEngineUnitTestBase and LuaEngineTestBase|
|Open||None||T229180 Migrate extensions to stop using MediaWikiIntegrationTestCase on unit tests|
|Open||None||T225730 Reduce runtime of MW shared gate Jenkins jobs to 5 min|
|Resolved||Ladsgroup||T230701 Migrate Scribunto to stop using MediaWikiIntegrationTestCase on unit tests|