use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MediaWikiServices;
use Psr\Log\LoggerInterface;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MediaWikiServices;
use Psr\Log\LoggerInterface;
$logger2 = LoggerFactory::getInstance( 'foo' );
$this->assertNotSame( $logger1, $logger2 );
$logger2 = LoggerFactory::getInstance( 'foo' );
$this->assertNotSame( $logger1, $logger2 );