public function testDemo1()
{
//get url
$this->_driver->get($this->_testUrl);
//access text input
$webElement = $this->_driver->findElement(By::id("txt1"));
$webElement->clear();
$webElement->sendKeys("Text sent 1");
$this->assertEquals("Text sent 1", $webElement->getAttribute("value"));
$webElement = $this->_driver->findElement(By::id("txt2"));
$webElement->clear();
$webElement->sendKeys("Text sent 2");
$this->assertEquals("Text sent 2", $webElement->getAttribute("value"));
//access listbox
$selectElement = new SelectElement($this->_driver->findElement(By::id("sel1")));
$selectElement->selectByValue("4");
$this->assertTrue($selectElement->getElement()->findElement(By::xPath(".//option[@value = 4]"))->isSelected());
//access checkbox
$webElement = $this->_driver->findElement(By::cssSelector("html body table tbody tr td fieldset form p input#chk3"));
$webElement->click();
$this->assertTrue($webElement->isSelected());
//access radio
$webElement = $this->_driver->findElement(By::id("rd3"));
$webElement->click();
$this->assertTrue($webElement->isSelected());
//access button
$webElement = $this->_driver->findElement(By::id("btnSubmit"));
$webElement->click();
//access h2
$webElement = $this->_driver->findElement(By::cssSelector("html body h2#h2FormReceptor"));
$this->assertEquals("Form receptor", $webElement->getText());
sleep(20);
}