public function getLocalizedFilenameReturnsCorrectFilenameIfExtensionIsMissing()
{
mkdir('vfs://Foo/Bar/Public/images/', 0777, true);
file_put_contents('vfs://Foo/Bar/Public/images/foobar.en_GB', 'FooBar');
$filename = 'vfs://Foo/Bar/Public/images/foobar';
$expectedFilename = 'vfs://Foo/Bar/Public/images/foobar.en_GB';
$service = new I18n\Service();
list($result, ) = $service->getLocalizedFilename($filename, new I18n\Locale('en_GB'), true);
$this->assertEquals($expectedFilename, $result);
}