Ignore deprecations coming from Symfony 3.4

Author: Jean85

.travis.yml

@@ -31,7 +31,9 @@ jobs:
   include:
     - stage: Test
       php: 7.1
-      env: SYMFONY_VERSION=3.4.*
+      env: 
+      - SYMFONY_VERSION: 3.4.*
+      - SYMFONY_DEPRECATIONS_HELPER: max[direct]=0
     - php: 7.3
       env: SYMFONY_VERSION=4.4.*
     - php: 7.4