diff --git a/test/exploration_tests/partial_response_test.py b/test/exploration_tests/partial_response_test.py
index 1a61132..8c119c7 100644
--- a/test/exploration_tests/partial_response_test.py
+++ b/test/exploration_tests/partial_response_test.py
@@ -22,7 +22,7 @@ def test_sending_partial_request(url, data_items, metadata):
     packages = starmap(pack, zip(repeat(metadata), data_items))
 
     responses = map(post, chain(packages, [""]))
-    payloads = (json.loads(r.json()) for r in responses)
+    payloads = (r.json() for r in responses)
     data = map(string_to_bytes, chain.from_iterable(pluck("data", payloads)))
 
     assert list(data) == [b"CONTENT"] * 7
diff --git a/test/fixtures/server.py b/test/fixtures/server.py
index 07a95d7..a906bb5 100644
--- a/test/fixtures/server.py
+++ b/test/fixtures/server.py
@@ -65,9 +65,7 @@ def make_string_processor():
             buffer.append(data)
 
         response_payload = {"data": result}
-        response = json.dumps(response_payload)
-
-        return response
+        return response_payload
 
     buffer = []