MockCatalinaContextClassLoader mclSPEmp = setupTCL(profile + "/sp/employee");
Thread.currentThread().setContextClassLoader(mclSPEmp);
SPRedirectFormAuthenticator sp = new SPRedirectFormAuthenticator();
sp.setContainer(context);
sp.testStart();
sp.getConfiguration().setIdpUsesPostBinding(false);
MockCatalinaRequest catalinaRequest = new MockCatalinaRequest();
catalinaRequest.setSession(new MockCatalinaSession());
catalinaRequest.setUserPrincipal(principal);