func CreateTempFile(t *testing.T, fName string) {
	f, err := os.Create(fName)
	CheckTestingErr(t, err)
	err = f.Close()
	CheckTestingErr(t, err)
}
Create a temporary file
package utils
import (
	"os"
	"testing"
)
func CreateTempEnv(t *testing.T, key string, value string) {
	err := os.Setenv(key, value)
	CheckTestingErr(t, err)
}
func RemoveTempEnv(t *testing.T, key string) {
	err := os.Setenv(key, "")
	CheckTestingErr(t, err)
}