@Override
	public String toString() {
		return getClass().getSimpleName() + "[lastConnectUrl=" + Parameters.getLastConnectUrl()
				+ ", lastConnectInfo=" + Parameters.getLastConnectInfo() + ']';
	}
@Test
	public void testToString() {
		final String string = driver.toString();
		assertNotNull("toString not null", string);
		assertFalse("toString not empty", string.isEmpty());
	}