Fxmlrpc\Client::prependParams PHP Method

    public function prependParams(array $params)
    {
        $this->prependParams = $params;
    }

 public function testPrependingDetaultParams()
 {
     $this->serializer->expects($this->once())->method('serialize')->with('methodName', array('p0', 'p1', 'p2', 'p3'))->will($this->returnValue('REQUEST'));
     $this->mockTransport('http://foo.com', 'REQUEST', 'RESPONSE');
     $this->parser->expects($this->once())->method('parse')->with('RESPONSE')->will($this->returnValue('NATIVE VALUE'));
     $this->assertSame(array(), $this->client->getPrependParams());
     $this->client->prependParams(array('p0', 'p1'));
     $this->assertSame(array('p0', 'p1'), $this->client->getPrependParams());
     $this->assertSame('NATIVE VALUE', $this->client->call('methodName', array('p2', 'p3')));
 }