[Template] macos11_2120_node failing in nightly runs

[jerryshia]

Template nightly test runs are failing with:

##[error]The job running on agent Azure Pipelines 7 ran longer than the maximum time of 60 minutes. For more information, see https://go.microsoft.com/fwlink/?linkid=2077134
,##[warning]Agent Azure Pipelines 7 did not respond to a cancelation request with 00:05:00.

For more details check here:
https://dev.azure.com/azure-sdk/internal/_build/results?buildId=3372883&view=results