@Test
public void mapAndExecuteVMsMigrationsTestEmptyMigrationsMap() {

    ClusterVO cluster = createCluster(null);
    List<HostResources> hosts = createHosts(2);
    setupMapAndExecuteVMsMigrationsTest(hosts, false);
    administrationAgent.mapAndExecuteVMsMigrations(cluster, clusterAdministrationHeuristicAlgorithm);
    verifyMapAndExecuteVMsMigrationsCalledMethods(1, 0);
}