iso: improve burn-in, export, and live boot

audit/internal/app/app_test.go

@@ -470,6 +470,41 @@ func TestExportSupportBundleResultMentionsUnmountedUSB(t *testing.T) {
 	}
 }
 
+func TestExportSupportBundleResultDoesNotPretendSuccessOnError(t *testing.T) {
+	t.Parallel()
+
+	tmp := t.TempDir()
+	oldExportDir := DefaultExportDir
+	DefaultExportDir = tmp
+	t.Cleanup(func() { DefaultExportDir = oldExportDir })
+
+	if err := os.WriteFile(filepath.Join(tmp, "bee-audit.json"), []byte("{}\n"), 0644); err != nil {
+		t.Fatalf("write bee-audit.json: %v", err)
+	}
+	if err := os.WriteFile(filepath.Join(tmp, "bee-audit.log"), []byte("audit ok\n"), 0644); err != nil {
+		t.Fatalf("write bee-audit.log: %v", err)
+	}
+
+	a := &App{
+		exports: fakeExports{
+			exportToTargetFn: func(string, platform.RemovableTarget) (string, error) {
+				return "", errors.New("mount /dev/sda1: exFAT support is missing in this ISO build")
+			},
+		},
+	}
+
+	result, err := a.ExportSupportBundleResult(platform.RemovableTarget{Device: "/dev/sda1", FSType: "exfat"})
+	if err == nil {
+		t.Fatal("expected export error")
+	}
+	if contains(result.Body, "exported to") {
+		t.Fatalf("body should not claim success:\n%s", result.Body)
+	}
+	if result.Body != "Support bundle export failed." {
+		t.Fatalf("body=%q want %q", result.Body, "Support bundle export failed.")
+	}
+}
+
 func TestRunNvidiaAcceptancePackResult(t *testing.T) {
 	t.Parallel()