tests(vpcgw): update legacy gws to ipam

[yfodil]

Community Note

• Please vote on this pull request by adding a 👍 reaction to the original pull request comment to help the community and maintainers prioritize this request.
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for pull request followers and do not help prioritize the request

Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.85%. Comparing base (5bf53e0) to head (fc672a5).
Report is 402 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4369      +/-   ##
==========================================
- Coverage   75.45%   70.85%   -4.61%     
==========================================
  Files         202      296      +94     
  Lines       44323    65521   +21198     
==========================================
+ Hits        33444    46423   +12979     
- Misses       9653    17466    +7813     
- Partials     1226     1632     +406     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.