For classes that inherit from MediaWikiTestCase and used setMwGlobals() to
modify a variable that affects namespaces, caches will automatically be
reset and any calls to MWNamespace::clearCaches() can be removed entirely.
+* ReadOnlyMode::clearCache() and ConfiguredReadOnlyMode::clearCache() have been
+ removed. Use MediaWikiTestCase::overrideMwServices() instead.
=== Deprecations in 1.33 ===
* The configuration option $wgUseESI has been deprecated, and is expected