## Issue
Closes#29893
## Description
- Update text for VPP command for pending_install and failed_install to
include verification nuance
- Add related tests
## Note
- Original PR pointing to `vpp-verify-followup` but should be repointed
to `main` once that branch is merged in
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
<!-- Note that API documentation changes are now addressed by the
product design team. -->
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
- [x] Added/updated automated tests
- [ ] Manual QA for all new/changed functionality
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Co-authored-by: Ian Littman <iansltx@gmail.com>
