Make tests use test metadata (#2836)
Make tests use test metadata (#2836)

This is a continuation of #2762

Co-authored-by: penmetsaa <d3dcfae64038d9ef87282613c31ce6a9f7131b38@google.com>
google/libphonenumber,google/libphonenumber,google/libphonenumber,google/libphonenumber,google/libphonenumber,google/libphonenumber