- $cache->getItem( 'ru', 'compiledPluralRules' ),
- $cache->getItem( 'os', 'compiledPluralRules' ),
- 'os compiled plural rules (undefined) fallback to ru (defined)'
+ $cache->getItem( 'ar', 'compiledPluralRules' ),
+ $cache->getItem( 'arz', 'compiledPluralRules' ),
+ 'arz compiled plural rules (undefined) fallback to ar (defined)'