sources tests: the batch test belongs after the last test, not inside it

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

crates/huginn-daemon/src/sources/tests.rs

@@ -406,6 +406,7 @@ fn a_chunk_id_is_its_content_address() {
         assert_ne!(base, other);
     }
     assert_ne!(chunk_id("R", "pb", "lob", 0), chunk_id("R", "p", "blob", 0), "fields are separated, not concatenated");
+}
 
 /// Chunks are embedded in batches of at most `BATCH`, however many a repo has.
 #[test]
@@ -420,4 +421,3 @@ fn chunks_are_embedded_in_bounded_batches() {
     assert_eq!(sizes, [BATCH, BATCH, 6]);
     assert_eq!(rig.index.held().len(), 70);
 }
-}