🛀 test overhaul

tests/Output/QRGdImageAVIFTest.php

@@ -15,19 +15,12 @@ use chillerlan\QRCode\QROptions;
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Output\{QRGdImageAVIF, QROutputInterface};
 use chillerlan\Settings\SettingsContainerInterface;
-use function function_exists;
+use PHPUnit\Framework\Attributes\{RequiresFunction, RequiresPhpExtension};
 
+#[RequiresPhpExtension('gd')]
+#[RequiresFunction('imageavif')]
 final class QRGdImageAVIFTest extends QRGdImageTestAbstract{
 
-	protected function setUp():void{
-		parent::setUp();
-
-		if(!function_exists('imageavif')){
-			$this::markTestSkipped('no AVIF support');
-		}
-
-	}
-
 	protected function getOutputInterface(
 		SettingsContainerInterface|QROptions $options,
 		QRMatrix                             $matrix,