Fix entity translations

tests/test_binary_sensor.py

@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+import json
+from pathlib import Path
 from unittest.mock import Mock
 
 from custom_components.arkteos.binary_sensor import ArkteosConnectionBinarySensor
@@ -28,6 +30,16 @@ def test_unique_id_is_stable() -> None:
     assert ArkteosConnectionBinarySensor(FakeClient()).unique_id == "arkteos_zuran4_connection"
 
 
+def test_connectivity_translation_is_present_and_specific() -> None:
+    entity = ArkteosConnectionBinarySensor(FakeClient())
+    french = json.loads(
+        (Path(__file__).parents[1] / "custom_components" / "arkteos" / "translations" / "fr.json").read_text()
+    )
+    assert entity.has_entity_name
+    assert entity.translation_key == "connectivity"
+    assert french["entity"]["binary_sensor"]["connectivity"]["name"] == "Connexion"
+
+
 def test_device_info_is_correct() -> None:
     info = ArkteosConnectionBinarySensor(FakeClient()).device_info
     assert info["identifiers"] == {(DOMAIN, "arkteos_zuran4")}