auth-ui: add e2e tests

Change-Id: Ic8f2f9e032d24eed2d4fd824dcfc26c59d7d915e
diff --git a/core/auth/ui/templates/whoami.html b/core/auth/ui/templates/whoami.html
index 944ed28..01be060 100644
--- a/core/auth/ui/templates/whoami.html
+++ b/core/auth/ui/templates/whoami.html
@@ -1,5 +1,6 @@
 {{ define "title" }}dodo: who am i{{ end }}
 {{ define "main" }}
 Hello {{.}}!
+<a href="/settings" role="button">change password</a>
 <a href="/logout" role="button">logout</a>
 {{ end }}