Fixed type issues from DtoTestCase class

Author: tarlepp

tests/Integration/TestCase/DtoTestCase.php

@@ -232,7 +232,8 @@ private static function initializePropertyExtractor(): PropertyInfoExtractor
     private function getValueForProperty(ReflectionClass $dtoReflection, ReflectionProperty $reflectionProperty): mixed
     {
         return PhpUnitUtil::getValidValueForType(
-            self::getType($dtoReflection->getName(), $reflectionProperty->getName())
+            self::getType($dtoReflection->getName(), $reflectionProperty->getName()),
+            null,
         );
     }
 

tests/Utils/PhpUnitUtil.php

@@ -209,7 +209,7 @@ public static function setProperty(string $property, UuidInterface | array | nul
      *
      * @throws Throwable
      */
-    public static function getValidValueForType(string $type, FieldMapping|AssociationMapping $meta): mixed
+    public static function getValidValueForType(string $type, FieldMapping|AssociationMapping|null $meta): mixed
     {
         $cacheKey = $type . serialize($meta);
 
@@ -260,7 +260,7 @@ public static function getInvalidValueForType(string $type): DateTime | stdClass
      * @param class-string $type
      */
     private static function getValidValue(
-        FieldMapping|AssociationMapping $meta,
+        FieldMapping|AssociationMapping|null $meta,
         string $type
     ): mixed {
         $class = stdClass::class;