[unittests] Add fsSelection test to metadata tests
[unittests] Add fsSelection test to metadata tests

googlefonts/nototools,anthrotype/nototools,anthrotype/nototools,dougfelt/nototools,googlefonts/nototools,moyogo/nototools,moyogo/nototools,anthrotype/nototools,googlefonts/nototools,googlei18n/nototools,googlefonts/nototools,googlei18n/nototools,dougfelt/nototools,dougfelt/nototools,moyogo/nototools,googlei18n/nototools,googlefonts/nototools