Make integration date assertions timezone-independent

[Copilot]

Integration tests were comparing against date.today() (system/UTC context), while the integration computes “today” from Home Assistant local time (dt_util.now().date()). This created false failures around UTC day boundaries after merge.

• Root cause addressed

  • Replaced timezone-sensitive expectations in integration tests that assumed Python runtime date equals HA local date.

• Test updates

  • In tests/integration_tests/test_integration.py, updated date assertions in:
    • test_service_updates_last_done_to_today
    • test_last_done_attribute_updated_to_today
    • test_button_press_updates_coordinator_last_done
  • Added homeassistant.util.dt import and aligned assertions to HA time source.

• Behavioral intent

  • Assertions now validate component behavior against the same clock the component uses, removing midnight/offset-dependent flakiness.

# before
assert coordinator.last_done == date.today()

# after
assert coordinator.last_done == dt_util.now().date()

[Copilot]

Pull request overview

This PR updates integration tests to assert “today” using Home Assistant’s local-time clock (homeassistant.util.dt.now().date()) instead of Python’s system date (datetime.date.today()), eliminating false failures around UTC day boundaries.

Changes:

• Imported homeassistant.util.dt as dt_util in the integration test module.
• Updated three integration tests to compare against dt_util.now().date() (and its string form) rather than date.today().

Comments suppressed due to low confidence (2)

tests/integration_tests/test_integration.py:220

• Same midnight-boundary flakiness risk as above: dt_util.now().date() is evaluated at assertion time, not when the service set last_done. Capture expected_today before invoking the service and compare the attribute to that.

        )
        await hass.async_block_till_done()

        state = hass.states.get("sensor.task_tracker_water_plants")
        assert state.attributes["last_done"] == str(dt_util.now().date())

tests/integration_tests/test_integration.py:308

• dt_util.now().date() is evaluated after the button press completes; if execution crosses local midnight, the stored last_done (set at press time) can differ from the asserted value. Capture expected_today before the button press and assert against that to avoid midnight-boundary flakes.

            blocking=True,
        )
        await hass.async_block_till_done()

        coordinator = hass.data[DOMAIN]["e1"]
        assert coordinator.last_done == dt_util.now().date()

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