added passing headers

tests/test_run_bounded_cycle.py

@@ -35,10 +35,15 @@ def stub_session(monkeypatch) -> dict:
     """Fake get_default_session, recording each call's kwargs and session."""
     calls = []
 
-    def fake(proxies, timeout=None, max_clients=None):
+    def fake(proxies, headers=None, timeout=None, max_clients=None):
         session = FakeSession()
         calls.append(
-            {"timeout": timeout, "max_clients": max_clients, "session": session}
+            {
+                "headers": headers,
+                "timeout": timeout,
+                "max_clients": max_clients,
+                "session": session,
+            }
         )
         return session
 
@@ -66,10 +71,17 @@ def test_session_params_reach_the_factory(monkeypatch):
 
     asyncio.run(
         run_bounded_cycle(
-            ["a"], task, None, None, session_timeout=8, max_clients=81
+            ["a"],
+            task,
+            None,
+            None,
+            headers={"referer": "https://x/"},
+            session_timeout=8,
+            max_clients=81,
         )
     )
 
+    assert calls[0]["headers"] == {"referer": "https://x/"}
     assert calls[0]["timeout"] == 8
     assert calls[0]["max_clients"] == 81