Make the mocking of Google API configurable in unit tests

trans/trans_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 	"."
 	"reflect"
+	"os"
 )
 
 
@@ -77,9 +78,11 @@ méltányosság
 
 	for _, data := range cases {
 		j := trans.New(data.job[0], data.job[1], data.job[2])
+		if _, ok := os.LookupEnv("NOMOCK"); !ok {
 			j.Translator = func(t *trans.Translation) (string, error) {
 				return data.transOutput, nil
 			}
+		}
 		r := j.Translate()
 		if (!reflect.DeepEqual(r, data.expectedResults)) {
 			t.Errorf("\nExpected: '%v'\nActual: '%v'", data.expectedResults, r)