/**
   * Tests that the enList method.
   *
   * @throws InitializationException
   * @throws DataException
   * @throws SQLException
   * @throws CouldNotBeginException
   * @throws CouldNotEnlistException
   */
  @Test
  public void testEnList()
      throws InitializationException, DataException, SQLException, CouldNotBeginException,
          CouldNotEnlistException {
    Provider provider = Bo2.getDefaultDeployment().getProvider();
    JdbcConnectionProvider jdbc =
        provider.getResource("LOCALDB", JdbcConnectionProvider.class); // $NON-NLS-1$	
    Connection connection = jdbc.getConnection();

    JdbcConnectionsTransactionManager manager = new JdbcConnectionsTransactionManager();
    manager.begin();
    manager.enList(jdbc);
    assertFalse(jdbc.getConnection().getAutoCommit());
    assertTrue(manager.connections.contains(connection));
    jdbc.close();
  }
 /** allows for multiple uses of this object to have an open connection */
 private void allowReuse() throws JdbcException {
   closePreviousResources();
   if (connection == null) {
     connection = connectionProvider.getConnection(dbInfo);
   }
 }