Merge pull request #7196 from medyagh/skip_none

skip preload test for none

test/integration/aaa_download_only_test.go

@@ -71,6 +71,8 @@ func TestDownloadOnly(t *testing.T) {
 						t.Errorf("%s failed: %v", args, err)
 					}
 
+					// skip for none, as none driver does not have preload feature.
+					if !NoneDriver() {
 						if download.PreloadExists(v, r) {
 							// Just make sure the tarball path exists
 							if _, err := os.Stat(download.TarballPath(v)); err != nil {
@@ -78,7 +80,7 @@ func TestDownloadOnly(t *testing.T) {
 							}
 							return
 						}
-
+					}
 					imgs, err := images.Kubeadm("", v)
 					if err != nil {
 						t.Errorf("kubeadm images: %v %+v", v, err)