int sessionId = service.getSessionId();
log.info("---> created SingleSessionCommandService id: " + sessionId);
StartProcessCommand startProcessCommand = new StartProcessCommand();
startProcessCommand.setProcessId( "org.drools.test.TestProcess" );
ProcessInstance processInstance = service.execute( startProcessCommand );
log.info( "Started process instance {}", processInstance.getId() );
TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
WorkItem workItem = handler.getWorkItem();
assertNotNull( workItem );