Make large context group optional and disabled by default [AI-assisted]

Change-Id: I2b619a15f5aa6d99b7637b883b28737de3274d26
diff --git a/src/test/resources/kustvakt-test.conf b/src/test/resources/kustvakt-test.conf
index 9cd1a9e..8f7cf6a 100644
--- a/src/test/resources/kustvakt-test.conf
+++ b/src/test/resources/kustvakt-test.conf
@@ -49,6 +49,7 @@
 # Virtual corpus and queries
 max.user.persistent.queries = 5
 max.token.context.size = 40
+large.context.group.enabled = true
 max.token.context.size.large = 50
 
 # default false