@Test
public void testValidate() throws IOException {

    PolicyValidationController controller = new PolicyValidationController();
    MockHttpServletRequest request = new MockHttpServletRequest();
    MockHttpServletResponse response = new MockHttpServletResponse();
    ModelAndView model = controller.validatePolicy(request, response);
    assertNull(model);
    assertEquals(response.getStatusCode(), HttpServletResponse.SC_OK);
}