Fix test data

[maven-release-plugin] copy for tag musicbrainz-data-3.1.0

[maven-release-plugin] copy for tag musicbrainz-data-3.0.0

[maven-release-plugin] copy for tag musicbrainz-data-2.0.0

[maven-release-plugin] copy for tag musicbrainz-data-1.3

[maven-release-plugin] copy for tag musicbrainz-data-1.2