diff --git a/test/supplemental_genbank_tests/genbank_upload_full_test.py b/test/supplemental_genbank_tests/genbank_upload_full_test.py
index e5e516f8..d73518b3 100644
--- a/test/supplemental_genbank_tests/genbank_upload_full_test.py
+++ b/test/supplemental_genbank_tests/genbank_upload_full_test.py
@@ -330,7 +330,7 @@ def _retrieve_assembly_data(self, data):
         assert url.startswith('https://')
         assert url.endswith('kbase.us/services/shock-api')
 
-        return data
+        return data, retrieved_assembly_md5sum
 
     def _get_object(self, result, is_genome):
         ref = 'genome_ref' if is_genome else 'assembly_ref'