Ref:
mock local api
https://github.com/ctimmerm/axios-mock-adapter

https://medium.com/@zach.grusznski/how-to-use-axios-mock-adapter-to-test-network-requests-in-react-475e99cda5ea

https://cythilya.github.io/2017/11/02/vue-axios/ http://blog.jln.co/%E7%AD%86%E8%A8%98-%E5%88%A9%E7%94%A8axios-mock-adapter%E7%82%BAaxios%E6%8F%90%E4%BE%9B%E6%B8%AC%E8%A9%A6%E7%94%A8%E7%9A%84%E5%81%87%E8%B3%87%E6%96%99/

Fake api test
https://github.com/typicode/jsonplaceholder

test api:
https://jsonplaceholder.typicode.com/comments/

Related my projects:
https://github.com/ZeviLiao/mock-demo (vue version)