cli-test: Update for Windows e2e tests

[vegeris]

Summary

Windows e2e tests can be seen running successfully in CCI consuming these changes: https://app.circleci.com/pipelines/github/slackapi/slack-cli/6390/workflows/31d009e1-6a81-46d2-bec6-c7ace7268fe0/jobs/15343 (failing 'copy artifacts' steps unrelated)

Sanity checked that the Unix e2e tests still pass here: https://app.circleci.com/pipelines/github/slackapi/platform-devxp-test/395/workflows/9cedbc0e-db05-4bf3-bad9-a188d28583c8/jobs/625?utm_campaign=vcs-integration-link&utm_medium=referral&utm_source=github-checks-link&utm_content=summary

Requirements

• [x] I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• [x] I've read and agree to the Code of Conduct.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.73%. Comparing base (178223c) to head (9a12202).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1844 +/- ## ========================================== + Coverage 81.85% 88.73% +6.88% ========================================== Files 35 18 -17 Lines 7781 6232 -1549 Branches 318 298 -20 ========================================== - Hits 6369 5530 -839 + Misses 1400 690 -710 Partials 12 12 ``` | [Flag](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | Coverage Δ | | |---|---|---| | [cli-hooks](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `94.94% <ø> (ø)` | | | [cli-test](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `?` | | | [oauth](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `76.53% <ø> (ø)` | | | [socket-mode](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `59.59% <ø> (ø)` | | | [web-api](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `96.57% <ø> (ø)` | | | [webhook](https://app.codecov.io/gh/slackapi/node-slack-sdk/pull/1844/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi) | `95.27% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slackapi#carryforward-flags-in-the-pull-request-comment) to find out more.