Add tests to Hydrawise (#101110)

* Add tests to Hydrawise

* Update tests/components/hydrawise/test_binary_sensor.py

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* Changes requested during review

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

tests/components/hydrawise/test_sensor.py

@@ -0,0 +1,36 @@
+"""Test Hydrawise sensor."""
+
+from datetime import timedelta
+
+from freezegun.api import FrozenDateTimeFactory
+import pytest
+
+from homeassistant.components.hydrawise.const import SCAN_INTERVAL
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry, async_fire_time_changed
+
+
+@pytest.mark.freeze_time("2023-10-01 00:00:00+00:00")
+async def test_states(
+    hass: HomeAssistant,
+    mock_added_config_entry: MockConfigEntry,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test sensor states."""
+    # Make the coordinator refresh data.
+    freezer.tick(SCAN_INTERVAL + timedelta(seconds=30))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    watering_time1 = hass.states.get("sensor.zone_one_watering_time")
+    assert watering_time1 is not None
+    assert watering_time1.state == "0"
+
+    watering_time2 = hass.states.get("sensor.zone_two_watering_time")
+    assert watering_time2 is not None
+    assert watering_time2.state == "29"
+
+    next_cycle = hass.states.get("sensor.zone_one_next_cycle")
+    assert next_cycle is not None
+    assert next_cycle.state == "2023-10-04T19:52:27+00:00"