public static final void initYard() throws RepositoryException{
repo.initialize();
//create the graphs in Clerezza
//init the ClerezzaYards for the created Clerezza graphs
SesameYardConfig yard1config = new SesameYardConfig("context 1 yard");
yard1config.setName("Yard over context 1");
yard1config.setContextEnabled(true);
yard1config.setContexts(new String[]{CONTEXT1.stringValue()});
yard1 = new SesameYard(repo,yard1config);
SesameYardConfig yard2config = new SesameYardConfig("context 2 yard");
yard2config.setName("Yard over context 2");
yard2config.setContextEnabled(true);
yard2config.setContexts(new String[]{CONTEXT2.stringValue()});
yard2 = new SesameYard(repo,yard2config);
SesameYardConfig unionYardConfig = new SesameYardConfig("union yard");
unionYardConfig.setName("Union Yard");
unionYard = new SesameYard(repo, unionYardConfig);
yards = Arrays.asList(yard1,yard2,unionYard);
//add the test data (to the Repository to also test pre-existing data)