path/filepath: skip test on darwin/arm64

Just like darwin/arm.

Change-Id: I4b0ab4a104f2c8a821ca8b5fa8d266e51883709f
Reviewed-on: https://go-review.googlesource.com/8816Reviewed-by: Minux Ma <minux@golang.org>

src/path/filepath/path_test.go

@@ -420,10 +420,13 @@ func chtmpdir(t *testing.T) (restore func()) {
 }
 
 func TestWalk(t *testing.T) {
-	if runtime.GOOS == "darwin" && runtime.GOARCH == "arm" {
+	if runtime.GOOS == "darwin" {
+		switch runtime.GOARCH {
+		case "arm", "arm64":
 			restore := chtmpdir(t)
 			defer restore()
 		}
+	}
 	makeTree(t)
 	errors := make([]error, 0, 10)
 	clear := true
@@ -1033,9 +1036,12 @@ func TestDriveLetterInEvalSymlinks(t *testing.T) {
 }
 
 func TestBug3486(t *testing.T) { // http://golang.org/issue/3486
-	if runtime.GOOS == "darwin" && runtime.GOARCH == "arm" {
+	if runtime.GOOS == "darwin" {
+		switch runtime.GOARCH {
+		case "arm", "arm64":
 			t.Skipf("skipping on %s/%s", runtime.GOOS, runtime.GOARCH)
 		}
+	}
 	root, err := filepath.EvalSymlinks(runtime.GOROOT() + "/test")
 	if err != nil {
 		t.Fatal(err)