Implement missing test case

src/lib/globals/process.rs

@@ -119,6 +119,8 @@ fn process_env_iter<'lua>(lua: &'lua Lua, (_, _): (Value<'lua>, ())) -> Result<F
 }
 
 fn process_exit(_: &Lua, exit_code: Option<i32>) -> Result<()> {
+    // TODO: Exit gracefully to the root with an Ok
+    // result instead of completely exiting the process
     if let Some(code) = exit_code {
         exit(code);
     } else {

src/lib/lib.rs

@@ -98,6 +98,7 @@ mod tests {
         fs_dirs: "fs/dirs",
         process_args: "process/args",
         process_env: "process/env",
+        process_exit: "process/exit",
         process_spawn: "process/spawn",
         net_request_codes: "net/request/codes",
         net_request_methods: "net/request/methods",

src/tests/process/exit.luau

@@ -0,0 +1,3 @@
+process.exit(0)
+
+error("Process should have exited successfully")