LOGGER.trace("RESPONSE: " + response.getText());
assertTrue(response.getURL().getPath().startsWith("/idp"));
assertEquals(1, response.getForms().length);
WebForm webForm = response.getForms()[0];
webForm.setParameter("j_username", "tomcat");
webForm.setParameter("j_password", "tomcat");
webForm.getSubmitButtons()[0].click();
response = conversation.getCurrentPage();
assertTrue("cannot reach protected content at " + formatUrl(this.serviceProvider1),
response.getText().contains("Welcome to " + formatContextPath(this.serviceProvider1)));