descriptor.setScmCommentPrefix( "[my prefix]" );
descriptor.setScmTagBase( "http://svn.example.com/repos/project/releases/" );
ScmFileSet fileSet = new ScmFileSet( rootProject.getFile().getParentFile() );
SvnScmProviderRepository scmProviderRepository = new SvnScmProviderRepository( sourceUrl );
scmProviderRepository.setTagBase( "http://svn.example.com/repos/project/releases/" );
ScmRepository repository = new ScmRepository( "svn", scmProviderRepository );
ScmProvider scmProviderMock = mock( ScmProvider.class );
when( scmProviderMock.tag( eq( repository ),
argThat(new IsScmFileSetEquals( fileSet ) ),
eq( "release-label" ),