diff --git a/.github/workflows/dart_test.yaml b/.github/workflows/dart_test.yaml
index 80336c60..c7ba9f13 100644
--- a/.github/workflows/dart_test.yaml
+++ b/.github/workflows/dart_test.yaml
@@ -27,7 +27,7 @@ jobs:
           dart run opencv_dart:setup -p linux -a x64
 
       - name: Run tests
-        run: flutter test
+        run: flutter test -x skip-workflow
 
   test_windows:
     runs-on: windows-latest
diff --git a/lib/src/highgui/highgui.dart b/lib/src/highgui/highgui.dart
index a5b49265..27f5994e 100644
--- a/lib/src/highgui/highgui.dart
+++ b/lib/src/highgui/highgui.dart
@@ -215,6 +215,11 @@ class Trackbar {
   int max;
 }
 
+/// destroy all windows.
+void destroyAllWindows() {
+  _bindings.destroyAllWindows();
+}
+
 enum WindowFlag {
   /// the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size.
   WINDOW_NORMAL(0x00000000),
diff --git a/test/highgui_test.dart b/test/highgui_test.dart
index b5b6cabb..1a6571bd 100644
--- a/test/highgui_test.dart
+++ b/test/highgui_test.dart
@@ -1,3 +1,4 @@
+@Tags(['skip-workflow'])
 import 'package:test/test.dart';
 
 import 'package:opencv_dart/opencv_dart.dart' as cv;
@@ -14,7 +15,8 @@ void main() async {
     expect(win.isOpen, true);
 
     win.setWindowProperty(cv.WindowPropertyFlags.WND_PROP_FULLSCREEN, cv.WindowFlag.WINDOW_FULLSCREEN.value);
-    expect(win.getWindowProperty(cv.WindowPropertyFlags.WND_PROP_FULLSCREEN), cv.WindowFlag.WINDOW_FULLSCREEN.value);
+    expect(win.getWindowProperty(cv.WindowPropertyFlags.WND_PROP_FULLSCREEN),
+        cv.WindowFlag.WINDOW_FULLSCREEN.value);
     win.moveWindow(100, 100);
     win.resizeWindow(100, 100);
 
@@ -56,7 +58,7 @@ void main() async {
     trackbar.maxPos = 15;
 
     // win.waitKey(1000);
-    
+
     win.close();
   });
 }