fix tests

Signed-off-by: CI <ci@argoproj.com>
(cherry picked from commit 32a41fcfac)

pkg/repo/chartrepo_test.go

@@ -157,7 +157,7 @@ func TestIndexCustomSchemeDownload(t *testing.T) {
 	}
 	defer os.Remove(tempIndexFile.Name())
 
-	idx, err := repo.DownloadIndexFile()
+	idx, _, err := repo.DownloadIndexFile()
 	if err != nil {
 		t.Fatalf("Failed to download index file to %s: %v", idx, err)
 	}

pkg/repo/index_test.go

@@ -237,7 +237,7 @@ func TestDownloadIndexFile(t *testing.T) {
 			t.Errorf("Problem creating chart repository from %s: %v", testRepo, err)
 		}
 
-		idx, err := r.DownloadIndexFile()
+		idx, _, err := r.DownloadIndexFile()
 		if err != nil {
 			t.Fatalf("Failed to download index file to %s: %#v", idx, err)
 		}
@@ -290,7 +290,7 @@ func TestDownloadIndexFile(t *testing.T) {
 			t.Errorf("Problem creating chart repository from %s: %v", testRepo, err)
 		}
 
-		idx, err := r.DownloadIndexFile()
+		idx, _, err := r.DownloadIndexFile()
 		if err != nil {
 			t.Fatalf("Failed to download index file to %s: %#v", idx, err)
 		}