diff --git a/test/exploration_tests/partial_response_test.py b/test/exploration_tests/partial_response_test.py
index 0b8c4bd..6b84f4e 100644
--- a/test/exploration_tests/partial_response_test.py
+++ b/test/exploration_tests/partial_response_test.py
@@ -11,7 +11,7 @@ from test.utils.server import bytes_to_string, string_to_bytes
 def test_sending_partial_request(url, data_items, metadata):
     def pack(metadata: dict, data: bytes):
         package = {"data": bytes_to_string(data), "metadata": metadata}
-        package = "a"# string_to_bytes(json.dumps(package))
+        package = string_to_bytes(json.dumps(package))
         return package
 
     packages = starmap(pack, zip(repeat(metadata), data_items))