Fix step unit test failures in agent pipeline #4134
Merged
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Reason:
There is a problem running the ping command through ProcessInvoker.
The invoked process does not catch
Ctrl+C
/Ctrl+Break
signals when we cancel the CancellationToken. This is why the function that cancels the process tree is launched for all processes running in the system, which may take a significant amount of time.Therefore, I replaced the command with one that does not require interactivity, and which will be canceled by the signals built into the agent.