latest autorest and unit test changes

Author: Vinothini Dharmaraj

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/_generated/_client.py

@@ -8,6 +8,7 @@
 
 from copy import deepcopy
 from typing import Any
+from typing_extensions import Self
 
 from azure.core import PipelineClient
 from azure.core.credentials import AzureKeyCredential
@@ -108,7 +109,7 @@ def send_request(self, request: HttpRequest, *, stream: bool = False, **kwargs:
     def close(self) -> None:
         self._client.close()
 
-    def __enter__(self) -> "AzureCommunicationCallAutomationService":
+    def __enter__(self) -> Self:
         self._client.__enter__()
         return self
 

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/_generated/_serialization.py

@@ -144,6 +144,8 @@ def _json_attemp(data):
                 # context otherwise.
                 _LOGGER.critical("Wasn't XML not JSON, failing")
                 raise DeserializationError("XML is invalid") from err
+        elif content_type.startswith("text/"):
+            return data_as_str
         raise DeserializationError("Cannot deserialize content-type: {}".format(content_type))
 
     @classmethod
@@ -1441,7 +1443,7 @@ def _deserialize(self, target_obj, data):
         elif isinstance(response, type) and issubclass(response, Enum):
             return self.deserialize_enum(data, response)
 
-        if data is None:
+        if data is None or data is CoreNull:
             return data
         try:
             attributes = response._attribute_map  # type: ignore

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/_generated/aio/_client.py

@@ -8,6 +8,7 @@
 
 from copy import deepcopy
 from typing import Any, Awaitable
+from typing_extensions import Self
 
 from azure.core import AsyncPipelineClient
 from azure.core.credentials import AzureKeyCredential
@@ -111,7 +112,7 @@ def send_request(
     async def close(self) -> None:
         await self._client.close()
 
-    async def __aenter__(self) -> "AzureCommunicationCallAutomationService":
+    async def __aenter__(self) -> Self:
         await self._client.__aenter__()
         return self