getServiceContainer(); $page = new ImageListPager( RequestContext::getMain(), $services->getCommentStore(), $services->getLinkRenderer(), $services->getDBLoadBalancerFactory(), $services->getRepoGroup(), $services->getUserCache(), $services->getUserNameUtils(), $services->getCommentFormatter(), null, '', false, false ); $this->expectException( MWException::class ); $this->expectExceptionMessage( "invalid_field" ); $page->formatValue( 'invalid_field', 'invalid_value' ); } }