skip cache imge test for none

test/integration/a_download_only_test.go

@@ -44,31 +44,36 @@ func TestDownloadOnly(t *testing.T) {
 	if !isTestNoneDriver(t) { // none driver doesnt need to be deleted
 		defer mk.TearDown(t)
 	}
-
-	t.Run("OldestNewest", func(t *testing.T) {
-		minHome := constants.GetMinipath()
-		for _, v := range []string{constants.OldestKubernetesVersion, constants.NewestKubernetesVersion} {
-			mk.StartWithFail("--download-only", fmt.Sprintf("--kubernetes-version=%s", v))
-			// checking if cached images are downloaded for example (kube-apiserver_v1.15.2, kube-scheduler_v1.15.2, ...)
-			_, imgs := constants.GetKubeadmCachedImages("", v)
-			for _, img := range imgs {
-				img = strings.Replace(img, ":", "_", 1) // for example kube-scheduler:v1.15.2 --> kube-scheduler_v1.15.2
-				fp := filepath.Join(minHome, "cache", "images", img)
-				_, err := os.Stat(fp)
-				if err != nil {
-					t.Errorf("expected image file exist at %q but got error: %v", fp, err)
-				}
+	t.Run("group", func(t *testing.T) {
+		t.Run("CacheOldestNewest", func(t *testing.T) {
+			if !isTestNoneDriver(t) { // don't cache images
+				t.Skip("skipping test for none driver as it doesn't cache images")
 			}
 
-			// checking binaries downloaded (kubelet,kubeadm)
-			for _, bin := range constants.GetKubeadmCachedBinaries() {
-				fp := filepath.Join(minHome, "cache", v, bin)
-				_, err := os.Stat(fp)
-				if err != nil {
-					t.Errorf("expected the file for binary exist at %q but got error %v", fp, err)
+			minHome := constants.GetMinipath()
+			for _, v := range []string{constants.OldestKubernetesVersion, constants.NewestKubernetesVersion} {
+				mk.StartWithFail("--download-only", fmt.Sprintf("--kubernetes-version=%s", v))
+				// checking if cached images are downloaded for example (kube-apiserver_v1.15.2, kube-scheduler_v1.15.2, ...)
+				_, imgs := constants.GetKubeadmCachedImages("", v)
+				for _, img := range imgs {
+					img = strings.Replace(img, ":", "_", 1) // for example kube-scheduler:v1.15.2 --> kube-scheduler_v1.15.2
+					fp := filepath.Join(minHome, "cache", "images", img)
+					_, err := os.Stat(fp)
+					if err != nil {
+						t.Errorf("expected image file exist at %q but got error: %v", fp, err)
+					}
+				}
+
+				// checking binaries downloaded (kubelet,kubeadm)
+				for _, bin := range constants.GetKubeadmCachedBinaries() {
+					fp := filepath.Join(minHome, "cache", v, bin)
+					_, err := os.Stat(fp)
+					if err != nil {
+						t.Errorf("expected the file for binary exist at %q but got error %v", fp, err)
+					}
 				}
 			}
-		}
+		})
 	})
 
 	// this downloads the latest published binary from where we publish the minikube binary