Use LDAP authentication in Kustvakt-full oauth2 example config

This reduces the security risk of running Kustvakt-full unknowingly with
TEST authentication which accepts *all* login password combinations.

This also facilitates E2E-CI-testing.

Change-Id: Id834cafdd5e9452feea8871811529baf644cf7d4
diff --git a/full/src/main/resources/kustvakt.conf b/full/src/main/resources/kustvakt.conf
index c67b132..c410011 100644
--- a/full/src/main/resources/kustvakt.conf
+++ b/full/src/main/resources/kustvakt.conf
@@ -54,7 +54,7 @@
 # OAuth 
 # (see de.ids_mannheim.korap.constant.AuthenticationMethod for possible 
 # oauth.password.authentication values)
-oauth2.password.authentication = TEST
+oauth2.password.authentication = LDAP
 # used to determine native client, currently not used
 # oauth2.native.client.host = korap.ids-mannheim.de
 oauth2.max.attempts = 1