@Test
public void testPersistEmptyTransaction() throws Exception {

	PersistTransactionRequest request = new PersistTransactionRequest();
	request.setCrs(CRS);
	FeatureTransaction featureTransaction = new FeatureTransaction();
	featureTransaction.setLayerId(LAYER_ID);
	request.setFeatureTransaction(featureTransaction);
	PersistTransactionResponse response = (PersistTransactionResponse) dispatcher.execute(
			PersistTransactionRequest.COMMAND, request, null, "en");
	if (response.isError()) {
		response.getErrors().get(0).printStackTrace();
	}
	Assert.assertFalse(response.isError());
	Assert.assertNotNull(response.getFeatureTransaction());
}