Simple test runner for Zig 0.16.0 wanted

[Sze]

I haven’t upgraded my test runner to 0.16 yet, but I think for simple runners not much should have changed.

I found the resources I mentioned here helpful:

Basic std.Io.File.stdout (0.16)

For tests there is another option, write your own test runner which handles print to stdout and/or stderr differently (however you like it to be handled). For example I wrote a custom test runner for testing raylib examples where I run the test in a subprocess and capture stdout and stderr, but I only show that output if the test signaled via non-zero exit code that it should be considered a test failure. (Because treating output as an error isn’t useful in every testing scenario and by using a…