allow test configuration to pass sanity checks

t/manager.conf

+[setup]
 templates_dir = templates
 federation_metadata_file = t/edugain.xml
 
@@ -7,13 +8,18 @@ name = eduGAIN Access Check
 url = https://my.fqdn/accountmanager
 support_email = support@my.fqdn
 
-[log]
+[logger]
 file = /dev/null
 level = debug
 
+[mailer]
+sendmail_path = /bin/true
+
 [database]
 type = mysql
 host = localhost
 name = account_manager
 user = user
 password = password
+
+[idp]