cmd/internal/goobj: skip tests on some $GOOS/arm

Updates #21817

Change-Id: I77ffaf8a7e54465a5b73691b896edcb20c29440f
Reviewed-on: https://go-review.googlesource.com/62351Reviewed-by: David du Colombier <0intro@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

src/cmd/internal/goobj/goobj_test.go

@@ -27,9 +27,13 @@ func TestMain(m *testing.M) {
 		return
 	}
 
-	if runtime.GOOS == "linux" && runtime.GOARCH == "arm" {
+	if runtime.GOARCH == "arm" {
+		switch runtime.GOOS {
+		case "darwin", "android", "nacl":
+		default:
 			return // skip tests due to #19811
 		}
+	}
 
 	if err := buildGoobj(); err != nil {
 		fmt.Println(err)