test: restore env vars after tests

[chawyehsu]

#136 follow up. Ensured environment variables that were initially unset are removed after testing.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: c408bef6-8bb8-43d8-b125-e781212ba454

📥 Commits

Reviewing files that changed from the base of the PR and between c486f6e and 2241f2d.

📒 Files selected for processing (1)

• test/install.Tests.ps1

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Summary by CodeRabbit

• Tests
  • Improved test environment cleanup by restoring original environment variable values after tests complete.
  • Ensured environment variables that were initially unset are removed after testing.
  • Reduced the risk of test-related environment settings affecting subsequent commands or test runs.

Walkthrough

The install tests now preserve the original SCOOP and SCOOP_GLOBAL environment variables and restore or remove them after the test run.

Changes

Test environment cleanup

Layer / File(s)	Summary
Preserve and restore test environment variables test/install.Tests.ps1	BeforeAll captures the original SCOOP and SCOOP_GLOBAL values. AfterAll restores them or removes them when they were not previously set.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description identifies this pull request as a follow-up to PR #136, but it does not describe the environment-variable restoration change.	Add a short description of the test changes, including that the original SCOOP and SCOOP_GLOBAL values are restored after tests.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: restoring environment variables after tests.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

• Fix all pre-merge checks with AI

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Actionable comments posted: 1

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 81e60bac-3e58-47d8-97c3-a890589a4cdc

📥 Commits

Reviewing files that changed from the base of the PR and between a621092 and c486f6e.

📒 Files selected for processing (1)

• test/install.Tests.ps1

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