working pdo_sqlite Setting for Flow

Settings.yaml

TYPO3:
  Flow:
    persistence:
      backendOptions:
        driver: 'pdo_sqlite'
        path: '/tmp/example.sqlite'
        user: 'exuser'
        password: 'expass'
    #core:
      #phpBinaryPathAndFilename: '/usr/local/zend/bin/php-cli'
    security:
      authentication:
        authenticationStrategy: oneToken
        providers:
          DefaultProvider:
            provider: PersistedUsernamePasswordProvider
Com:
  Example:
    Project:
      storagepath: '/tmp/'