test: Increase timeout for flaky test

[alexec]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I have written unit and/or e2e tests for my change. PRs without these are unlike to be merged.
• Optional. I've added My organization is added to the USERS.md.
• I've signed the CLA and required builds are green.

[alexec]

This can just be merged.

[codecov]

Codecov Report

Merging #2543 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2543   +/-   ##
=======================================
  Coverage   11.14%   11.14%           
=======================================
  Files          75       75           
  Lines       31739    31739           
=======================================
  Hits         3538     3538           
  Misses      27720    27720           
  Partials      481      481

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f142f30...d856675. Read the comment docs.