Make tests use dev database config

app/config/tests/parameters_test.sqlite.yml

@@ -1,13 +1,5 @@
 parameters:
-    test_database_driver: pdo_sqlite
-    test_database_host: localhost
-    test_database_port:
-    test_database_name: ~
-    test_database_user: ~
-    test_database_password: ~
+    env(DATABASE_URL): sqlite://:@localhost/%env(TEST_DATABASE_PATH)%?charset=utf8
     # Using an environment variable in order to avoid the error "attempt to write a readonly database"
     # when the schema is dropped then recreate
-    test_database_path: "%env(TEST_DATABASE_PATH)%"
     env(TEST_DATABASE_PATH): "%kernel.project_dir%/data/db/wallabag_test.sqlite"
-    test_database_socket: null
-    test_database_charset: utf8