Fix build

Author: ondrejmirtes

Makefile

@@ -110,6 +110,7 @@ lint:
 		--exclude tests/PHPStan/Rules/Properties/data/property-in-interface-explicit-abstract.php \
 		--exclude tests/PHPStan/Rules/Constants/data/final-private-const.php \
 		--exclude tests/PHPStan/Rules/Properties/data/abstract-final-property-hook-parse-error.php \
+		--exclude tests/PHPStan/Rules/Playground/data/promote-missing-override.php \
 		src tests
 
 cs: