Looking for logging into the Shibboleth Testing site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Shibboleth Testing site. After that you can login as usual with your login credentials.
http://www.testshib.org/
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPSPLocalTestInstall
https://wiki.shibboleth.net/confluence/display/IDP30/Testing
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPQuickInstallTest
https://wiki.shibboleth.net/confluence/display/SP3/InitialTesting
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPProdLoadTest
https://wiki.shibboleth.net/confluence/display/IDP30/PasswordAuthnConfiguration
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPUnsolicitedSSO
http://shibboleth.1660669.n2.nabble.com/How-to-test-idp-authentication-configuration-without-SP-td7619150.html
https://wiki.surfnet.nl/display/surfconextdev/My+First+SP+-+Shibboleth
https://uit.stanford.edu/service/shibboleth/sp/test-shib
https://www.ukfederation.org.uk/content/Documents/FreshIdPv3
https://test.ukfederation.org.uk/