);
ProcessInstance processInstance = new ProcessInstance(processDefinition);
ContextInstance contextInstance = processInstance.getContextInstance();
TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
processInstance.signal();
TaskInstance taskInstance = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
HashMap expectedVariables = new HashMap();
assertEquals(expectedVariables, taskInstance.getVariables());
assertFalse(taskInstance.hasVariable("a"));