Add test data for Inovelli VZM30-SN (#495)

* Add test data for Inovelli VZM30-SN and VZM35-SN, fixes required for import

* Update VZM30, remoev VZM35 due to regenerate failure

Author: stephenjust

requirements_test.txt

@@ -9,6 +9,7 @@ pytest-timeout
 pytest-asyncio<1.0
 pytest-xdist
 pytest
+python-slugify
 zigpy>=0.65.2
 ruff
 looptime

tests/common.py

@@ -350,10 +350,10 @@ def zigpy_device_from_device_data(
                 endpoint.profile_id = profile_id
                 endpoint.device_type = device_type
 
-            for cluster_id in ep["input_clusters"]:
+            for cluster_id in ep.get("input_clusters", []):
                 endpoint.add_input_cluster(int(cluster_id, 16))
 
-            for cluster_id in ep["output_clusters"]:
+            for cluster_id in ep.get("output_clusters", []):
                 endpoint.add_output_cluster(int(cluster_id, 16))
     else:
         for epid, ep in device_data["endpoints"].items():