LookupVindex bug fix: Fix typos from PR 17301

[rohit-nayak-ps]

Description

Changing references from "lookup index" to "lookup vindex", which were typos from #17301.

We backport these to the same version the original PR was backported to.

Related Issue(s)

#17301

Checklist

• "Backport to:" labels have been added if this change should be back-ported to release branches
• If this change is to be back-ported to previous releases, a justification is included in the PR description
• Tests were added or are not required
• Did the new or modified tests pass consistently locally and on CI?
• Documentation was added or is not required

Deployment Notes

[vitess-bot]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.62%. Comparing base (dd4ec2e) to head (4642a28).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #17423      +/-   ##
==========================================
- Coverage   67.64%   67.62%   -0.03%     
==========================================
  Files        1582     1582              
  Lines      254000   254000              
==========================================
- Hits       171826   171775      -51     
- Misses      82174    82225      +51     

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[mattlord]

We should rename the files too.

[rohit-nayak-ps]

We should rename the files too.

They have already been renamed? to:

go/test/endtoend/vreplication/lookup_vindex_helper_test.go
go/test/endtoend/vreplication/lookup_vindex_test.go

[mattlord]

We should rename the files too.

They have already been renamed? to:

go/test/endtoend/vreplication/lookup_vindex_helper_test.go go/test/endtoend/vreplication/lookup_vindex_test.go

Ah, sorry! Reviewed on my phone and I didn't see the rename there (might have just gotten cut off so only seeing the first portion of the foo -> bar move). On the laptop I do though. So all good. 🙂