Is it possible to get the current root of package structure as a string in golang test?

Question

I am writing a utility function for my unit tests which is used by unit tests in multiple packages. This utility function must read a particular file (always the same file). Her

Answer 1

Returns the root of the application:

import (
    "path"
    "path/filepath"
    "runtime"
)  

func RootDir() string {
    _, b, _, _ := runtime.Caller(0)
    d := path.Join(path.Dir(b))
    return filepath.Dir(d)
}