Fixed some Psalm issues

Author: tarlepp

tests/Utils/PhpUnitUtil.php

@@ -265,7 +265,7 @@ public static function getInvalidValueForType(string $type): DateTime | stdClass
      */
     private static function getValidValue(
         ?array $meta,
-        string $type
+        string $type,
     ): mixed {
         $meta ??= [];
 
@@ -276,6 +276,16 @@ private static function getValidValue(
             /** @var class-string $class */
             $class = $meta !== [] && array_key_exists('targetEntity', $meta) ? $meta['targetEntity'] : $type;
 
+            if (!class_exists($class)) {
+                throw new LogicException(
+                    sprintf(
+                        "Cannot create valid value for type '%s' because class '%s' does not exist.",
+                        $type,
+                        $class,
+                    ),
+                );
+            }
+
             $type = self::TYPE_CUSTOM_CLASS;
 
             if ((new ReflectionClass($class))->isEnum()) {
@@ -290,6 +300,7 @@ private static function getValidValue(
             }
         }
 
+        /** @var mixed $output */
         $output = match ($type) {
             self::TYPE_ENUM => current($class::cases()), // TODO: fix this
             self::TYPE_CUSTOM_CLASS => new $class(...$params),
@@ -303,6 +314,7 @@ private static function getValidValue(
         };
 
         if (str_contains($type, '|')) {
+            /** @var mixed $output */
             $output = self::getValidValueForType(explode('|', $type)[0], $meta);
         } elseif (str_contains($type, '[]')) {
             /** @var array<mixed, object> $output */