diff --git a/test/test_nrf52_usb_lifecycle.py b/test/test_nrf52_usb_lifecycle.py
index 33a9914b7..8489f2d9d 100644
--- a/test/test_nrf52_usb_lifecycle.py
+++ b/test/test_nrf52_usb_lifecycle.py
@@ -100,6 +100,7 @@ static std::atomic<bool> usb_logging_preference_known{false};
 static bool enabled = false, dedicated_usb_logging_port_started = false;
 static bool dedicated_usb_logging_port_configured = false;
 static bool isUsbLoggingEnabled() { return enabled; }
+static bool isUsbLoggingPacketStream() { return false; }
 static bool isUsbDebugLoggingEnabled() { return false; }
 static void setPlatformDebugOutputEnabled(bool) {}
 struct Port {
@@ -257,6 +258,8 @@ struct Device {
 } TinyUSBDevice;
 namespace mesh {
 static void clearUsbLoggingClientActivity() {}
+static bool isUsbLoggingPacketStream() { return false; }
+@DEDICATED@
 @GATES@
 static std::atomic<bool> dedicated_usb_logging_port_connected{true};
 static std::atomic<uint32_t> dedicated_usb_logging_reset_generation{0};
@@ -302,6 +305,7 @@ int main() {
 }
 '''
         source = source.replace("@GATES@", gates)
+        source = source.replace("@DEDICATED@", function("bool hasDedicatedUsbLoggingPort("))
         source = source.replace("@RESTART@", function("static void restartDedicatedUsbLoggingHostSession()"))
         source = source.replace("@COMPLETE@", function("static void completePrimaryUsbSessionReset("))
         self.run_native(source)
diff --git a/test/test_nrf52_usb_logging_contract.py b/test/test_nrf52_usb_logging_contract.py
index ad1896608..45aade847 100644
--- a/test/test_nrf52_usb_logging_contract.py
+++ b/test/test_nrf52_usb_logging_contract.py
@@ -664,8 +664,9 @@ class Nrf52UsbLoggingContractTest(unittest.TestCase):
         self.assertEqual(source.count("finishPendingRequest(result, tag, est_timeout);"), 6)
         delayed = (ROOT / "src/helpers/CompanionDelayedReplies.cpp").read_text()
         arm = extract_braced(delayed, "void CompanionDelayedReplies::arm(")
-        self.assertIn("timeout + timeout / 5", arm)
-        self.assertIn("reply.radio_deadline = now + budget;", arm)
+        # Exact timeout windows and delayed SENT admission are exercised by
+        # test_companion_delayed_reply_delivery.py against real callbacks.
+        self.assertIn("radioBudget(reply)", arm)
         self.assertIn("reply.sent_deadline = now + DELIVERY_GRACE_MS;", arm)
         self.assertIn("servicePendingSerialReply();", source)
         self.assertIn(