Fix tests: replace deprecated asyncio.get_event_loop() for Python 3.12+

tests/__init__.py

@@ -24,7 +24,9 @@ async def send_cloud(self, *args, **kwargs):
         self.send_args = args
 
     def call(self, coro):
-        asyncio.get_event_loop().run_until_complete(coro)
+        loop = asyncio.new_event_loop()
+        loop.run_until_complete(coro)
+        loop.close()
         return self.send_args
 
 
@@ -39,7 +41,7 @@ def init(device: dict, config: dict = None) -> (XRegistry, List[XEntity]):
         params = device.setdefault("params", {})
         params.setdefault("staMac", "FF:FF:FF:FF:FF:FF")
 
-    asyncio.create_task = lambda _: None
+    asyncio.create_task = lambda coro: coro.close()
     asyncio.get_running_loop = lambda: type("", (), {"_thread_id": threading.get_ident()})
 
     entities = []

tests/test_entity.py

@@ -16,11 +16,9 @@
     MAJOR_VERSION,
     MINOR_VERSION,
     UnitOfEnergy,
-    UnitOfTemperature,
     UnitOfVolume,
 )
 from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC
-from homeassistant.util.unit_system import IMPERIAL_SYSTEM
 
 from custom_components.sonoff import remote
 from custom_components.sonoff.binary_sensor import XBinarySensor, XRemoteSensor
@@ -33,7 +31,7 @@
     SIGNAL_CONNECTED,
     SIGNAL_UPDATE,
 )
-from custom_components.sonoff.cover import XCover, XCoverOP, XCoverDualR3, XZigbeeCover
+from custom_components.sonoff.cover import XCover, XCoverDualR3, XCoverOP, XZigbeeCover
 from custom_components.sonoff.fan import XFan, XToggleFan
 from custom_components.sonoff.light import (
     UIID22_MODES,
@@ -73,7 +71,11 @@ def get_entitites(device: Union[dict, list], config: dict = None) -> list:
 
 
 def await_(coro):
-    return asyncio.get_event_loop().run_until_complete(coro)
+    loop = asyncio.new_event_loop()
+    try:
+        return loop.run_until_complete(coro)
+    finally:
+        loop.close()
 
 
 def test_simple_switch():

tests/test_misc.py

@@ -11,7 +11,7 @@ def test_bulk():
     registry_send = []
 
     device = XDevice()
-    loop = asyncio.get_event_loop()
+    loop = asyncio.new_event_loop()
     # noinspection PyTypeChecker
     registry: XRegistry = XRegistry(None)
     registry.send = save_to(registry_send)
@@ -40,6 +40,8 @@ def test_bulk():
         "switches": [{"outlet": 1, "switch": "on"}, {"outlet": 2, "switch": "off"}]
     }
 
+    loop.close()
+
 
 def test_issue_1160():
     payload = XRegistryLocal.decrypt_msg(