Fix GeolocationDbUpdater test

module/Core/src/Geolocation/Entity/GeolocationDbUpdate.php

@@ -6,14 +6,15 @@ namespace Shlinkio\Shlink\Core\Geolocation\Entity;
 
 use Cake\Chronos\Chronos;
 use Shlinkio\Shlink\Common\Entity\AbstractEntity;
+use Shlinkio\Shlink\Core\Exception\RuntimeException;
 
 use function stat;
 
 class GeolocationDbUpdate extends AbstractEntity
 {
     private function __construct(
+        public readonly string $reason,
         private readonly string $filesystemId,
-        private readonly string $reason,
         private GeolocationDbUpdateStatus $status = GeolocationDbUpdateStatus::IN_PROGRESS,
         private readonly Chronos $dateCreated = new Chronos(),
         private Chronos $dateUpdated = new Chronos(),
@@ -21,32 +22,34 @@ class GeolocationDbUpdate extends AbstractEntity
     ) {
     }
 
-    public static function withReason(string $reason, string|null $filesystemId = null): self
+    public static function withReason(string $reason): self
     {
-        return new self($reason, $filesystemId ?? self::currentFilesystemId());
+        return new self($reason, self::currentFilesystemId());
     }
 
     public static function currentFilesystemId(): string
     {
         $system = stat(__FILE__);
         if (! $system) {
-            // TODO Throw error
+            throw new RuntimeException('It was not possible to resolve filesystem ID via stat function');
         }
 
         return (string) $system['dev'];
     }
 
-    public function finishSuccessfully(): void
+    public function finishSuccessfully(): self
     {
         $this->dateUpdated = Chronos::now();
         $this->status = GeolocationDbUpdateStatus::SUCCESS;
+        return $this;
     }
 
-    public function finishWithError(string $error): void
+    public function finishWithError(string $error): self
     {
         $this->error = $error;
         $this->dateUpdated = Chronos::now();
         $this->status = GeolocationDbUpdateStatus::ERROR;
+        return $this;
     }
 
     /**