Clean up AirVisual tests (#64402)

* Simplify AirVisual tests

* First fixture

* More

* Fixture

* More

tests/components/airvisual/conftest.py

@@ -0,0 +1,52 @@
+"""Define test fixtures for AirVisual."""
+from unittest.mock import patch
+
+import pytest
+
+from homeassistant.components.airvisual.const import DOMAIN
+from homeassistant.const import CONF_SHOW_ON_MAP
+from homeassistant.setup import async_setup_component
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture(name="config_entry")
+def config_entry_fixture(hass, config, unique_id):
+    """Define a config entry fixture."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id=unique_id,
+        data=config,
+        options={CONF_SHOW_ON_MAP: True},
+    )
+    entry.add_to_hass(hass)
+    return entry
+
+
+@pytest.fixture(name="config")
+def config_fixture(hass):
+    """Define a config entry data fixture."""
+    return {}
+
+
+@pytest.fixture(name="setup_airvisual")
+async def setup_airvisual_fixture(hass, config):
+    """Define a fixture to set up AirVisual."""
+    with patch("pyairvisual.air_quality.AirQuality.city"), patch(
+        "pyairvisual.air_quality.AirQuality.nearest_city"
+    ), patch("pyairvisual.node.NodeSamba.async_connect"), patch(
+        "pyairvisual.node.NodeSamba.async_get_latest_measurements"
+    ), patch(
+        "pyairvisual.node.NodeSamba.async_disconnect"
+    ), patch.object(
+        hass.config_entries, "async_forward_entry_setup"
+    ):
+        assert await async_setup_component(hass, DOMAIN, {DOMAIN: config})
+        await hass.async_block_till_done()
+        yield
+
+
+@pytest.fixture(name="unique_id")
+def unique_id_fixture(hass):
+    """Define a config entry unique ID fixture."""
+    return "51.528308, -0.3817765"