Add my component (#46058)

Co-authored-by: Franck Nijhof <git@frenck.dev>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/components/my/test_init.py

@@ -0,0 +1,17 @@
+"""Test the my init."""
+
+from unittest import mock
+
+from homeassistant.components.my import URL_PATH
+from homeassistant.setup import async_setup_component
+
+
+async def test_setup(hass):
+    """Test setup."""
+    with mock.patch(
+        "homeassistant.components.frontend.async_register_built_in_panel"
+    ) as mock_register_panel:
+        assert await async_setup_component(hass, "my", {"foo": "bar"})
+        assert mock_register_panel.call_args == mock.call(
+            hass, "my", frontend_url_path=URL_PATH
+        )