device.setDeviceType(deviceType);
SiteSwitcherRequestFilter urlPath = new SiteSwitcherRequestFilter();
MockFilterConfig filterConfig = new MockFilterConfig();
filterConfig.addInitParameter("switcherMode", "urlPath");
filterConfig.addInitParameter("mobilePath", "/mob");
filterConfig.addInitParameter("tabletPath", "/tab");
urlPath.init(filterConfig);
request.addParameter("site_preference", "mobile");
urlPath.doFilter(request, response, filterChain);
assertEquals(1, response.getCookies().length);
assertEquals("MOBILE", response.getCookies()[0].getValue());