Add minio-cli stub generator

pkgs/utils/helpers.go

@@ -16,8 +16,22 @@
 
 package utils
 
-import "io/ioutil"
+import (
+	"io/ioutil"
+	"log"
+	"strings"
+)
 
 func MakeTempTestDir() (string, error) {
 	return ioutil.TempDir("/tmp", "minio-test-")
 }
+
+func Assert(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func FirstUpper(str string) string {
+	return strings.ToUpper(str[0:1]) + str[1:]
+}