Flaky upgrade e2e test

[latin-panda]

Describe the issue

I've seen a couple of PRs failing in this test; rerunning it makes it pass. It didn't have any allure report/screenshots but here is the failing test:

Describe the improvement you'd like
Maybe it needs to give some time for the label to appear.

Describe alternatives you've considered

[mrjones-plip]

noting I hit this same error (for both Upgrade from 4.2.4 and Upgrade from latest) a bunch and pasting in the error so it can be searched for:

[chrome 131.0.6778.85 linux #0-0] » /tests/e2e/upgrade/upgrade.wdio-spec.js
[chrome 131.0.6778.85 linux #0-0] Performing an upgrade
[chrome 131.0.6778.85 linux #0-0]    ✓ should have an upgrade_log after installing the app, without logs upgrade is aborted
[chrome 131.0.6778.85 linux #0-0]    ✓ should have valid semver after installing
[chrome 131.0.6778.85 linux #0-0]    ✖ should upgrade to current branch
[chrome 131.0.6778.85 linux #0-0]
[chrome 131.0.6778.85 linux #0-0] 2 passing (1m 5.4s)
[chrome 131.0.6778.85 linux #0-0] 1 failing
[chrome 131.0.6778.85 linux #0-0]
[chrome 131.0.6778.85 linux #0-0] 1) Performing an upgrade should upgrade to current branch
[chrome 131.0.6778.85 linux #0-0] expected '4.15.0-validate-docker-helper-version' to include '4.14.0'      
      actual expected
      
      '4.15.0-validate-docker-helper-version'undefined
      
[chrome 131.0.6778.85 linux #0-0] AssertionError: expected '4.15.0-validate-docker-helper-version' to include '4.14.0'
[chrome 131.0.6778.85 linux #0-0]     at Context.<anonymous> (/home/runner/work/cht-core/cht-core/tests/e2e/upgrade/upgrade.wdio-spec.js:93:41)