@Test(expected = NoSuchElementException.class)
public void testFailsWithAnEmptyServiceList() throws Exception {

    ProcessEngine processEngine = mockProcessEngine(PROCESS_INSTANCE_ID, TEST_BUSINESS_KEY, TEST_PROVISIONR_ID);
    DestroyPoolCommand command = new DestroyPoolCommand(ImmutableList.<Provisionr>of(), processEngine);
    CommandSession session = mock(CommandSession.class);
    command.setBusinessKey(TEST_BUSINESS_KEY);
    command.execute(session);
}