[Windows CI] Fix issue with Slack message for flaky tests

[davinci26]

Signed-off-by: Sotiris Nanopoulos sonanopo@microsoft.com
See recent CI build runs and slackapi/python-slack-sdk#334 (comment)

Risk Level: Low
Testing: CI

[davinci26]

cc @envoyproxy/windows-dev creating as Draft and I will push a few empty commits to hopefully get some flakes and see the message in the chat.

[sunjayBhatia]

cc @envoyproxy/windows-dev creating as Draft and I will push a few empty commits to hopefully get some flakes and see the message in the chat.

you might have to turn off caching here otherwise all the tests will always pass in this PR and we wont see flakes

[davinci26]

@lizan @sunjayBhatia you can review now.

[sunjayBhatia]

@davinci26 maybe just add a comment in the script describing why this is necessary? otherwise LGTM, seems to work 👍

[sunjayBhatia]

@davinci26 maybe just add a comment in the script describing why this is necessary? otherwise LGTM, seems to work 👍

for posterity, there was a flaky test here: https://dev.azure.com/cncf/4684fb3d-0389-4e0b-8251-221942316e06/_apis/build/builds/59567/logs/158

[davinci26]

@davinci26 maybe just add a comment in the script describing why this is necessary?

Added a small comment

[mattklein123]

Thanks!