diff --git a/test/asammdf/gui/widgets/test_NumericWidget_Shortcut.py b/test/asammdf/gui/widgets/test_NumericWidget_Shortcut.py
index 4b6353612..21c1ce450 100644
--- a/test/asammdf/gui/widgets/test_NumericWidget_Shortcut.py
+++ b/test/asammdf/gui/widgets/test_NumericWidget_Shortcut.py
@@ -160,6 +160,8 @@ def setUp(self):
         self.table_view = self.numeric.channels.dataView
 
     def tearDown(self):
+        if self.widget:
+            self.widget.destroy()
         super().tearDown()
 
     def test_NumericWidget_Shortcut_Keys_Ctrl_H_Ctrl_B_Ctrl_P_Ctrl_T(self):
diff --git a/test/asammdf/gui/widgets/test_PlotWidget_Shortcuts.py b/test/asammdf/gui/widgets/test_PlotWidget_Shortcuts.py
index abf935a4f..a06cad5ce 100644
--- a/test/asammdf/gui/widgets/test_PlotWidget_Shortcuts.py
+++ b/test/asammdf/gui/widgets/test_PlotWidget_Shortcuts.py
@@ -369,7 +369,10 @@ def test_Plot_Plot_Shortcut_Key_2(self):
         for _ in range(50):
             self.processEvents(0.01)
         # Evaluate
-        self.assertTrue(Pixmap.is_black(self.plot.plot.viewport().grab()))
+        pm = self.plot.plot.viewport().grab()
+        colors = Pixmap.color_names(pm)
+        print(colors)
+        self.assertTrue(Pixmap.is_black(pm))
 
         # case 1
         self.mouseClick_WidgetItem(self.channels[0])