Communication - SMS nightly test runs are failing with:

Error message:
{"error":{"code":"Unauthorized","message":""}}

Stack trace:
RestError: {"error":{"code":"Unauthorized","message":""}}
at handleErrorResponse (/mnt/vss/_work/1/s/sdk/core/core-http/src/policies/deserializationPolicy.ts:274:17)
at /mnt/vss/_work/1/s/sdk/core/core-http/src/policies/deserializationPolicy.ts:179:47
at processTicksAndRejections (internal/process/task_queues.js:97:5)
at SmsApiClient.sendOperationRequest (/mnt/vss/_work/1/s/sdk/core/core-http/src/serviceClient.ts:521:23)
at SmsClient.send (/mnt/vss/_work/1/s/sdk/communication/communication-sms/src/smsClient.ts:175:24)
at Context. (/mnt/vss/_work/1/s/sdk/communication/communication-sms/test/public/suites/smsClient.send.ts:27:21)

For more details check here:

• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=1459227&view=results