fix: some minor fixes

Signed-off-by: Rafal Zielinski <sq4ind@gmail.com>

tests/test_config_flow.py

@@ -13,6 +13,7 @@ from custom_components.adguard_control_hub.config_flow import (
 from custom_components.adguard_control_hub.const import CONF_SSL, CONF_VERIFY_SSL, DOMAIN
 
 
+@pytest.mark.asyncio
 async def test_form(hass: HomeAssistant) -> None:
     """Test we get the form."""
     result = await hass.config_entries.flow.async_init(
@@ -22,6 +23,7 @@ async def test_form(hass: HomeAssistant) -> None:
     assert result["errors"] is None
 
 
+@pytest.mark.asyncio
 async def test_form_valid_connection(hass: HomeAssistant, mock_adguard_api) -> None:
     """Test we get the form with valid connection."""
     with patch(
@@ -58,6 +60,7 @@ async def test_form_valid_connection(hass: HomeAssistant, mock_adguard_api) -> N
         }
 
 
+@pytest.mark.asyncio
 async def test_form_cannot_connect(hass: HomeAssistant) -> None:
     """Test we handle cannot connect error."""
     with patch(
@@ -80,6 +83,7 @@ async def test_form_cannot_connect(hass: HomeAssistant) -> None:
         assert result2["errors"] == {"base": "cannot_connect"}
 
 
+@pytest.mark.asyncio
 async def test_form_invalid_auth(hass: HomeAssistant) -> None:
     """Test we handle invalid auth error."""
     with patch(