.executionListener(ExecutionListener.EVENTNAME_START, verifier)
.executionListener(ExecutionListener.EVENTNAME_END, verifier)
.endActivity()
.buildProcessDefinition();
PvmProcessInstance processInstance = processDefinition.createProcessInstance();
processInstance.start();
verifier.assertStartInstanceCount(1, "one");
verifier.assertStartInstanceCount(1, "two");
verifier.assertStartInstanceCount(1, "three");