@Test
public void doFilterTestRootPath() throws IOException, ServletException {

    HttpServletRequest servletRequest = mock(HttpServletRequest.class);
    HttpServletResponse servletResponse = mock(HttpServletResponse.class);
    FilterChain filterChain = mock(FilterChain.class);
    HttpSession httpSession = mock(HttpSession.class);
    when(servletRequest.getHeader(anyString())).thenReturn("3df25213cac246f8bccad5c70cb3582e").thenReturn(
            "00000000000000000000000000000194");
    when(servletRequest.getPathInfo()).thenReturn("/");
    when(servletRequest.getRequestURI()).thenReturn("/vdc/00000000000000000000000000000194/");
    when(servletRequest.getSession()).thenReturn(httpSession);
    when(httpSession.getId()).thenReturn("1234");
    openStackAuthenticationFilter.doFilter(servletRequest, servletResponse, filterChain);
}