Special package sometimes raises "Command not found"

[ellbosch]

Example: https://mssqltools.visualstudio.com/cli/_build/results?buildId=59875&view=ms.vss-test-web.build-test-results-tab&runId=1173214&resultId=100204&paneView=debug

Seems to fail on Linux frequently.

[ellbosch]

Should be fixed with recent PR #441