Symfony - SQLite database connection

databases.yml

test:
  doctrine:
    param:
      dsn: 'sqlite::memory:'
#      dsn: 'mysql:host=localhost;dbname=clipkit_dev'
#      dsn: 'sqlite:%SF_DATA_DIR%/test-doctrine.db'
  statistic:
    param:
      dsn: 'sqlite::memory:'
  tracking:
    param:
      dsn: 'sqlite::memory:'
  xhprof:
    param:
      dsn: 'sqlite::memory:'