add make command to test locally

[WindzCUHK]

Description

add make command to test locally

• make test
• make coverage

Type of change

• Bug fix
• New feature
• Refactoring (no functional changes, no api changes)
• Non-code changes (update documentation, pipeline, etc.)

Flags

• Breaks backward compatibility
• Requires a documentation update
• Has untestable code

---

Checklist

• Followed the guidelines in the CONTRIBUTING document
• Added prefix [skip ci]/[ci skip]/[no ci]/[skip actions]/[actions skip] in the PR title if necessary
• Tested and linted the code
• Commented the code
• Made corresponding changes to the documentation
• Passed all pipeline checking

Checklist for maintainer

• Use Squash and merge
• Double-confirm the merge message has prefix [skip ci]/[ci skip]/[no ci]/[skip actions]/[actions skip]
• Delete the branch after merge

[mlajkim]

I get the following error when I run make test:

PASS
ok  	github.com/AthenZ/authorization-proxy/v4/usecase	(cached)
FAIL
make: *** [test] Error 1

[mlajkim]

Wonder if there is any sort of documentation in the main README.md where I can use it to set it up and properly run make test

[mlajkim]

OK