Refactored polls module into layered architecture with typed domain objects, isolated SSE handling, and comprehensive tests.

tests/builtin_modules/test_timers.py

@@ -86,16 +86,6 @@ def manager(module_context: ModuleContext, repo: TimerRepository) -> TimerManage
     return TimerManager(module_context, repo)
 
 
-@pytest.fixture
-def fast_sleep(monkeypatch: pytest.MonkeyPatch) -> None:
-    """Patch asyncio.sleep; use _REAL_ASYNCIO_SLEEP for real waits."""
-
-    async def _fake(duration: float) -> None:
-        await _REAL_ASYNCIO_SLEEP(0)
-
-    monkeypatch.setattr(asyncio, "sleep", _fake)
-
-
 @pytest.fixture
 def _suppress_timer_tasks(monkeypatch: pytest.MonkeyPatch) -> None:
     """Stub Timer.start so enabling a timer does not spawn a background task."""

tests/conftest.py

@@ -20,6 +20,7 @@ loaded via ``pytest_plugins`` below.
 
 from __future__ import annotations
 
+import asyncio
 from typing import TYPE_CHECKING
 
 import pytest
@@ -29,6 +30,8 @@ if TYPE_CHECKING:
 
 pytest_plugins = ["owlbot.testing.plugin", "pytester"]
 
+_REAL_ASYNCIO_SLEEP = asyncio.sleep
+
 
 def pytest_addoption(parser: pytest.Parser) -> None:
     """Register ``--run-integration`` for the integration-test opt-in flag."""
@@ -50,3 +53,17 @@ def pytest_collection_modifyitems(
     for item in items:
         if "integration" in item.keywords:
             item.add_marker(skip)
+
+
+@pytest.fixture
+def fast_sleep(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Patch ``asyncio.sleep`` so background lifecycle tasks run immediately."""
+
+    async def _fake_sleep(
+        _duration: float,
+        result: object | None = None,
+    ) -> object | None:
+        await _REAL_ASYNCIO_SLEEP(0)
+        return result
+
+    monkeypatch.setattr(asyncio, "sleep", _fake_sleep)