diff --git a/tests/test_runner.py b/tests/test_runner.py
index dc54174..20e966e 100644
--- a/tests/test_runner.py
+++ b/tests/test_runner.py
@@ -302,7 +302,7 @@ class TestNonInteractive:
         mock_run.return_value = _mock_claude_success({"result": "ok"})
         run_agent(conn, "debugger", "VDOL-001", "vdol", noninteractive=False)
         call_kwargs = mock_run.call_args[1]
-        assert call_kwargs.get("timeout") == 600
+        assert call_kwargs.get("timeout") == 300
 
     @patch("agents.runner.subprocess.run")
     def test_interactive_no_stdin_override(self, mock_run, conn):
@@ -310,7 +310,7 @@ class TestNonInteractive:
         mock_run.return_value = _mock_claude_success({"result": "ok"})
         run_agent(conn, "debugger", "VDOL-001", "vdol", noninteractive=False)
         call_kwargs = mock_run.call_args[1]
-        assert call_kwargs.get("stdin") is None
+        assert call_kwargs.get("stdin") == subprocess.DEVNULL
 
     @patch.dict("os.environ", {"KIN_NONINTERACTIVE": "1"})
     @patch("agents.runner.subprocess.run")