public void installFixtures(final InstallableFixture... fixtures) {
final FixturesInstallerDelegate fid = new FixturesInstallerDelegate(getPersistenceSession());
for (InstallableFixture fixture : fixtures) {
fid.addFixture(fixture);
}
fid.installFixtures();
// ensure that tests are performed in separate xactn to any fixture setup.
final IsisTransactionManager transactionManager = getTransactionManager();
final IsisTransaction transaction = transactionManager.getTransaction();
final State transactionState = transaction.getState();