fix de test/migracion

app/DoctrineMigrations/Version20180124175322.php

@@ -4,11 +4,12 @@ namespace Application\Migrations;
 
 use Doctrine\DBAL\Migrations\AbstractMigration;
 use Doctrine\DBAL\Schema\Schema;
+use MigrationsBundle\Migrations\MigrationsBase;
 
 /**
  * Auto-generated Migration: Please modify to your needs!
  */
-class Version20180124175322 extends AbstractMigration
+class Version20180124175322 extends MigrationsBase 
 {
     /**
      * @param Schema $schema