Artifact a = createRemoteArtifact( "a", "0.0.1-SNAPSHOT" );
RepositoryMetadata metadata = new ArtifactRepositoryMetadata( a );
File file = new File( localRepository.getBasedir(),
localRepository.pathOfLocalRepositoryMetadata( metadata, localRepository ) );
file.delete();
File touchFile = updateCheckManager.getTouchfile( metadata, file );
touchFile.delete();