    @Test
    public void whenCommenceCalledThenExpectUnauthorizedResponse() throws Exception {


        final JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint = new JwtAuthenticationEntryPoint();
        jwtAuthenticationEntryPoint.commence(request, response, authException);

        verify(response, times(1)).sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
    }