🔥 v6.0 third pass: test clean-up (again)

tests/Output/QRStringJSONTest.php

@@ -10,7 +10,10 @@
 
 namespace chillerlan\QRCodeTest\Output;
 
-use chillerlan\QRCode\Output\QRStringJSON;
+use chillerlan\QRCode\QROptions;
+use chillerlan\QRCode\Data\QRMatrix;
+use chillerlan\QRCode\Output\{QROutputInterface, QRStringJSON};
+use chillerlan\Settings\SettingsContainerInterface;
 use PHPUnit\Framework\Attributes\DataProvider;
 use function extension_loaded;
 
@@ -19,8 +22,6 @@ use function extension_loaded;
  */
 final class QRStringJSONTest extends QROutputTestAbstract{
 
-	protected string $FQN = QRStringJSON::class;
-
 	/**
 	 * @inheritDoc
 	 */
@@ -33,6 +34,13 @@ final class QRStringJSONTest extends QROutputTestAbstract{
 		parent::setUp();
 	}
 
+	protected function getOutputInterface(
+		SettingsContainerInterface|QROptions $options,
+		QRMatrix                             $matrix
+	):QROutputInterface{
+		return new QRStringJSON($options, $matrix);
+	}
+
 	public static function moduleValueProvider():array{
 		return [[null, false]];
 	}