[Communication]: Updated test_search_available_phone_numbers_with_invalid_country_code async test to be consistent with sync test (#18466)

Author: lsundaralingam

sdk/communication/azure-communication-phonenumbers/test/recordings/test_phone_number_administration_client_async.test_search_available_phone_numbers_with_invalid_country_code.yaml

@@ -0,0 +1,36 @@
+interactions:
+- request:
+    body: '{"phoneNumberType": "tollFree", "assignmentType": "application", "capabilities":
+      {"calling": "inbound", "sms": "inbound+outbound"}}'
+    headers:
+      Accept:
+      - application/json
+      Content-Length:
+      - '131'
+      Content-Type:
+      - application/json
+      Date:
+      - Fri, 30 Apr 2021 21:35:58 GMT
+      User-Agent:
+      - azsdk-python-communication-phonenumbers/1.0.1 Python/3.9.0 (Windows-10-10.0.19041-SP0)
+      x-ms-return-client-request-id:
+      - 'true'
+    method: POST
+    uri: https://sanitized.communication.azure.com/availablePhoneNumbers/countries/XX/:search?api-version=2021-03-07
+  response:
+    body:
+      string: '{"error": {"code": "InvalidInput", "message": "Unable to parse country
+        code.", "target": "countrycode"}}'
+    headers:
+      api-supported-versions: '2021-03-07'
+      content-type: application/json
+      date: Fri, 30 Apr 2021 21:35:58 GMT
+      ms-cv: vS+4qpNfgUqjc0RGNA/ZgQ.0
+      request-context: appId=
+      transfer-encoding: chunked
+      x-processing-time: 33ms
+    status:
+      code: 400
+      message: Bad Request
+    url: sanitized
+version: 1

sdk/communication/azure-communication-phonenumbers/test/test_phone_number_administration_client_async.py

@@ -226,7 +226,7 @@ async def test_get_purchased_phone_number_with_invalid_phone_number(self):
         assert ex.value.message is not None
 
     @AsyncCommunicationTestCase.await_prepared_test
-    async def test_search_available_phone_numbers_with_no_country_code(self):
+    async def test_search_available_phone_numbers_with_invalid_country_code(self):
         capabilities = PhoneNumberCapabilities(
             calling = PhoneNumberCapabilityType.INBOUND,
             sms = PhoneNumberCapabilityType.INBOUND_OUTBOUND
@@ -235,7 +235,7 @@ async def test_search_available_phone_numbers_with_no_country_code(self):
         with pytest.raises(Exception) as ex:
             async with self.phone_number_client:
                 await self.phone_number_client.begin_search_available_phone_numbers(
-                    None,
+                    "XX",
                     PhoneNumberType.TOLL_FREE,
                     PhoneNumberAssignmentType.APPLICATION,
                     capabilities,