Fix test

Author: VincentLanglet

src/Analyser/MutatingScope.php

@@ -106,7 +106,6 @@
 use PHPStan\Type\Generic\TemplateTypeHelper;
 use PHPStan\Type\Generic\TemplateTypeMap;
 use PHPStan\Type\Generic\TemplateTypeVarianceMap;
-use PHPStan\Type\Generic\TemplateUnionType;
 use PHPStan\Type\IntegerRangeType;
 use PHPStan\Type\IntegerType;
 use PHPStan\Type\IntersectionType;

tests/PHPStan/Analyser/nsrt/bug-6609-83.php

@@ -50,7 +50,7 @@ function modify2(\DateTimeInterface $date) {
 	 */
 	function modify3(\DateTimeInterface $date, string $s) {
 		$date = $date->modify($s);
-		assertType('DateTime|DateTimeImmutable', $date);
+		assertType('T of DateTime|DateTimeImmutable (method Bug6609Php83\Foo::modify3(), argument)', $date);
 
 		return $date;
 	}

tests/PHPStan/Analyser/nsrt/bug-6609.php

@@ -50,7 +50,7 @@ function modify2(\DateTimeInterface $date) {
 	 */
 	function modify3(\DateTimeInterface $date, string $s) {
 		$date = $date->modify($s);
-		assertType('(DateTime|DateTimeImmutable|false)', $date);
+		assertType('((T of DateTime|DateTimeImmutable (method Bug6609\Foo::modify3(), argument))|false)', $date);
 
 		return $date;
 	}