test: disable auto auth in 2 more tests

[rrama]

Description

Following on from a3f87ec these two tests were missed as they have custom init params.

Failure seen in CI: https://github.com/snyk/snyk-ls/actions/runs/19368466286/job/55417895084 luckily doesn't cause a long hang.

Checklist

• Tests added and all succeed
• None added, some edited.
• Regenerated mocks, etc. (make generate)
• N/A
• Linted (make lint-fix)
• README.md updated, if user-facing
• N/A
• License file updated, if new 3rd-party dependency is introduced
• N/A

[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

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