This fixes the tests.

app/Repositories/ExportJob/ExportJobRepository.php

@@ -39,6 +39,19 @@ class ExportJobRepository implements ExportJobRepositoryInterface
         $this->user = $user;
     }
 
+    /**
+     * @param ExportJob $job
+     * @param string    $status
+     *
+     * @return bool
+     */
+    public function changeStatus(ExportJob $job, string $status): bool
+    {
+        $job->change($status);
+
+        return true;
+    }
+
     /**
      * @return bool
      */