refactor tests

tests/conftest.py

@@ -0,0 +1,26 @@
+from dataclasses import dataclass
+from pathlib import Path
+
+import pytest
+
+from agentci.engine import _sqlite
+from agentci.engine.repository import Repository
+
+
+@pytest.fixture
+async def engine_repository(tmp_path: Path) -> Repository:
+    repository = Repository(tmp_path / "state.sqlite3")
+    await repository.initialize()
+    return repository
+
+
+@dataclass
+class SQLiteClock:
+    now: str = "2026-02-01T00:00:00+00:00"
+
+
+@pytest.fixture
+def sqlite_clock(monkeypatch: pytest.MonkeyPatch) -> SQLiteClock:
+    clock = SQLiteClock()
+    monkeypatch.setattr(_sqlite, "now", lambda: clock.now)
+    return clock