src/Context/TqContext.php
public function useScreenResolution($width_height)
    {
        list($width, $height) = explode('x', $width_height);

        $this->getSessionDriver()->resizeWindow((int) $width, (int) $height);
    }
public function useScreenResolution($width_height)
    {
        list($width, $height) = explode('x', $width_height);

        $this->getSessionDriver()->resizeWindow((int) $width, (int) $height);
    }
Open the page with specified resolution.

@param string $width_height
String that satisfy the condition "<WIDTH>x<HEIGHT>".

@example
Given I should use the "1280x800" resolution

@Given /^(?:|I should )use the "([^"]*)" screen resolution$/