example config_test.yml for using alternative db

config_test.yml

parameters:
    test_db_path: "%kernel.cache_dir%/db.sqlite" //the real path of DB for the test
    default_db_path: "%kernel.cache_dir%/Resources/private/tests/snapshot.sqlite" //is the real path of DB for snapshot

doctrine:
    dbal:
        default_connection: default
        connections:
            default:
                driver:   pdo_sqlite
                memory:   true
                charset:  UTF8
                mapping_types:
                    enum: string
                path: "%test_db_path%"