Update tests to support latest time-machine

And migrate to latest time-machine version v2.16.0

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

pyproject.toml

@@ -84,7 +84,7 @@ dev-pytest = [
   "frequenz-repo-config[extra-lint-examples] == 0.13.3",
   "pytest-mock == 3.14.0",
   "pytest-asyncio == 0.26.0",
-  "time-machine == 2.12.0",
+  "time-machine == 2.16.0",
   "async-solipsism == 0.7",
   "hypothesis == 6.131.9",
 ]

tests/microgrid/power_distributing/_component_status/test_battery_status.py

@@ -12,6 +12,7 @@
 from datetime import datetime, timedelta, timezone
 from typing import Generic, TypeVar
 
+import async_solipsism
 import pytest
 from frequenz.channels import Broadcast, Receiver
 from frequenz.client.microgrid import (
@@ -42,6 +43,12 @@
 from ....utils.receive_timeout import Timeout, receive_timeout
 
 
+@pytest.fixture
+def event_loop_policy() -> async_solipsism.EventLoopPolicy:
+    """Event loop policy."""
+    return async_solipsism.EventLoopPolicy()
+
+
 def battery_data(  # pylint: disable=too-many-arguments,too-many-positional-arguments
     component_id: ComponentId,
     timestamp: datetime | None = None,