/**
* Check that Shopping Cart is empty, opened page contains text "You have no items in your shopping cart.
* Click here to continue shopping." where 'here' is link that leads to index page
*
* @param CheckoutCart $checkoutCart
* @param BrowserInterface $browser
* @return void
*/
public function processAssert(CheckoutCart $checkoutCart, BrowserInterface $browser)
{
$checkoutCart->open();
$cartEmptyBlock = $checkoutCart->getCartEmptyBlock();
\PHPUnit_Framework_Assert::assertEquals(self::TEXT_EMPTY_CART, $cartEmptyBlock->getText(), 'Wrong text on empty cart page.');
$cartEmptyBlock->clickLinkToMainPage();
\PHPUnit_Framework_Assert::assertEquals($_ENV['app_frontend_url'], $browser->getUrl(), 'Wrong link to main page on empty cart page.');
}