It stops gracefully when the tests end in Linux and Mac but not on windows, though the process() ends.
Figure out a way to properly stop the in windows.

TODO (Solution)

• Assign a name to the container image and stop the container using the name similar to what the powershell script does.
• Reference

  azure-sdk-for-js/eng/common/testproxy/docker-start-proxy.ps1

  Line 35 in f31aa42

  $CONTAINER_NAME = "ambitious_azsdk_test_proxy"

  (follow the script)