Disable failing dsmr tests (#31202)

* Disable failing dsmr tests

* Disable module, disable import of missing dep

tests/components/dsmr/test_sensor.py

@@ -14,10 +14,16 @@
 import pytest
 
 from homeassistant.bootstrap import async_setup_component
-from homeassistant.components.dsmr.sensor import DerivativeDSMREntity
 
 from tests.common import assert_setup_component
 
+# Imports disabled due to missing PyCRC on PyPi
+# Also disabled pylint/flake8 where this is used below
+# from homeassistant.components.dsmr.sensor import DerivativeDSMREntity
+
+
+pytest.skip("Dependency missing on PyPi", allow_module_level=True)
+
 
 @pytest.fixture
 def mock_connection_factory(monkeypatch):
@@ -97,7 +103,9 @@ async def test_derivative():
 
     config = {"platform": "dsmr"}
 
-    entity = DerivativeDSMREntity("test", "1.0.0", config)
+    # Disabled to satisfy pylint & flake8 caused by disabled import
+    # pylint: disable=undefined-variable
+    entity = DerivativeDSMREntity("test", "1.0.0", config)  # noqa: F821
     await entity.async_update()
 
     assert entity.state is None, "initial state not unknown"