Add seeds to data fixtures, to avoid random failures in tests

src/Bundle/ChillPersonBundle/DataFixtures/Helper/RandomPersonHelperTrait.php

@@ -34,7 +34,7 @@ trait RandomPersonHelperTrait
         return $qb
             ->select('p')
             ->setMaxResults(1)
-            ->setFirstResult(\random_int(0, $this->nbOfPersons))
+            ->setFirstResult(\mt_rand(0, $this->nbOfPersons))
             ->getQuery()
             ->getSingleResult();
     }