Rename migrate_command_test.go to common_test.go

[ahrtr]

Extracted from #19168

cc @fuweid @serathius

[ahrtr]

cc @ivanvc @jmhbnz

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.84%. Comparing base (ce4b4e5) to head (a908d35).
Report is 2 commits behind head on main.

Additional details and impacted files

see 16 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #19199      +/-   ##
==========================================
+ Coverage   68.82%   68.84%   +0.01%     
==========================================
  Files         420      420              
  Lines       35627    35627              
==========================================
+ Hits        24519    24526       +7     
+ Misses       9688     9680       -8     
- Partials     1420     1421       +1     

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[jmhbnz]

LGTM - Thanks for breaking it smaller @ahrtr.

[ivanvc]

LGTM. Thanks, Benjamin.

[k8s-ci-robot]

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