'test:plan' 事件

• data <Object>
  • file <string> | <undefined> 测试文件的路径，如果测试未通过文件运行则未定义。
  • nesting <number> 测试的嵌套级别。
  • count <number> 已运行的子测试数。

当给定测试的所有子测试都完成时发出。

• data <Object>
  • file <string> | <undefined> The path of the test file, undefined if test is not ran through a file.
  • nesting <number> The nesting level of the test.
  • count <number> The number of subtests that have ran.

Emitted when all subtests have completed for a given test.