message: test(zone.js): fix typos
  Relates to
  PR Close
diff: @@ -42,8 +42,7 @@ class ProxyZoneSpec implements ZoneSpec {
  this.propertyKeys = Object.keys(delegateSpec.properties);
  this.propertyKeys.forEach((k) => this.properties[k] = delegateSpec.properties ![k]);
  }
  - // if set a new delegateSpec, shoulde check whether need to
  - // trigger hasTask or not
  + // if a new delegateSpec was set, check if we need to trigger hasTask
  if (isNewDelegate && this.lastTaskState &&
  (this.lastTaskState.macroTask || this.lastTaskState.microTask)) {
  this.isNeedToTriggerHasTask = true;
  @@ -90,7 +89,7 @@ class ProxyZoneSpec implements ZoneSpec {
  .join(',');
  return `type: ${task.type}, source: ${task.source}, args: {${dataInfo}}`;
  });
  - const pendingTasksInfo = '--Pendng async tasks are: [' + taskInfo + ']';
  + const pendingTasksInfo = '--Pending async tasks are: [' + taskInfo + ']';
  // clear tasks
  this.tasks = [];
  