Implemented openid authentication for authorization code request.

Change-Id: I1f93d20315d1da6573a98d92515d5e4ed979fbed
diff --git a/full/src/test/resources/kustvakt-test.conf b/full/src/test/resources/kustvakt-test.conf
index d9eda87..ebfb216 100644
--- a/full/src/test/resources/kustvakt-test.conf
+++ b/full/src/test/resources/kustvakt-test.conf
@@ -50,7 +50,7 @@
 oauth.native.client.host=korap.ids-mannheim.de
 oauth2.max.attempts = 2
 # -- scopes separated by space
-oauth2.default.scopes = read_username read_email 
+oauth2.default.scopes = openid read_username read_email 
 oauth2.client.credentials.scopes = read_client_info
 
 # JWT