docs: list needed programs for test

README.md

@@ -11,6 +11,7 @@ $ git clone ssh://git@focs.ji.sjtu.edu.cn:2222/JOJ/JOJ3.git
 ```
 
 2. Install [Go](https://go.dev/doc/install). Also, make sure `make` and `git` are installed and all 3 programs are presented in `$PATH`.
+
     - If you have problem on connecting to the Go website and Go packages, download Go from [studygolang](https://studygolang.com/dl) and run `go env -w GOPROXY=https://goproxy.io,direct` to set the Go modules mirror proxy after installing Go.
 
 3. Enable cgroup v2 for your OS. For WSL2, check [here](https://stackoverflow.com/a/73376219/13724598). So that you do not need root permission to run `go-judge`.
@@ -44,7 +45,14 @@ $ make
 
 8. Check the functions of `joj3` with the `make test`, which should pass all the test cases. The cases used here are in `/examples`.
 
-Note: you may fail the test if the checking tools are not installed. e.g. For the test case `cpplint/sillycode`, you need to install `cpplint` in `/usr/bin` or `/usr/local/bin`.
+For now, the following checking tools are needed for test:
+
+1. `clang`/`clang++`
+2. `clang-tidy-18`
+3. `cmake`
+4. `make`
+5. `cpplint`
+6. `cppcheck`
 
 ```bash
 $ make test