public void testCommence() {
MockHttpServletRequest req = new MockHttpServletRequest();
MockHttpServletResponse resp = new MockHttpServletResponse();
Http403ForbiddenEntryPoint fep = new Http403ForbiddenEntryPoint();
try {
fep.commence(req,resp,new AuthenticationCredentialsNotFoundException("test"));
assertEquals("Incorrect status",resp.getStatus(),HttpServletResponse.SC_FORBIDDEN);
} catch (IOException e) {
fail("Unexpected exception thrown: "+e);
} catch (ServletException e) {
fail("Unexpected exception thrown: "+e);