final DummyIdentityData identityData =
new DummyIdentityData(oid, TestProxyAdapter.class.getName(), new TestProxyVersion(6));
try {
final ExecuteClientActionRequest request =
new ExecuteClientActionRequest(new TestProxySession(), new ReferenceData[] { identityData },
new int[] { ClientTransactionEvent.DELETE });
server.executeClientAction(request);
fail();
} catch (final ConcurrencyException expected) {
}