diff --git a/tests/plotting_test/data_viewers_test/ploting_data_all_test.py b/tests/plotting_test/data_viewers_test/ploting_data_all_test.py
index c0c0384d..ea500e16 100644
--- a/tests/plotting_test/data_viewers_test/ploting_data_all_test.py
+++ b/tests/plotting_test/data_viewers_test/ploting_data_all_test.py
@@ -107,6 +107,9 @@ def test_plot_0D_1D_uniform(self, qtbot):
 
                 assert dwa_back == dwa_1D
 
+        viewer.parent.close()
+        viewer.parent.deleteLater()
+
     def test_plot_1D_0D_uniform(self, qtbot):
         #%%
         NX = 100
@@ -123,12 +126,18 @@ def test_plot_1D_0D_uniform(self, qtbot):
 
         viewer = dwa_1D.plot('qt')
         assert isinstance(viewer, Viewer1D)
+
+        qtbot.addWidget(viewer.parent)
+
         with tempfile.TemporaryDirectory() as d:
             with DataSaverLoader(Path(d).joinpath('mydatafile.h5')) as saver_loader:
                 saver_loader.add_data('/RawData', dwa_1D)
                 dwa_back = saver_loader.load_data('/RawData/Data00', load_all=True)
                 assert dwa_back == dwa_1D
 
+        viewer.parent.close()
+        viewer.parent.deleteLater()
+
 
     def test_plot_1D_0D_spread(self, qtbot):
 
@@ -165,6 +174,10 @@ def test_plot_1D_0D_spread(self, qtbot):
                 viewer = data1D_spread.plot('qt')
                 assert isinstance(viewer, Viewer1D)
 
+                qtbot.addWidget(viewer.parent)
+                viewer.parent.close()
+                viewer.parent.deleteLater()
+
     def test_plot_0D_1D_spread(self, qtbot, get_h5saver):
         h5saver = get_h5saver
         data_saver = DataEnlargeableSaver(h5saver)
@@ -193,6 +206,9 @@ def test_plot_0D_1D_spread(self, qtbot, get_h5saver):
         assert dwa_back.inav[2] == data_to_append
         viewer = dwa_back.plot('qt')
         assert isinstance(viewer, ViewerND)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
 class Test2DPlot:
     def test_plot_0D_2D_uniform(self, qtbot):
@@ -210,6 +226,9 @@ def test_plot_0D_2D_uniform(self, qtbot):
         assert data2D.dim == 'Data2D'
         viewer = data2D.plot('qt')
         assert isinstance(viewer, Viewer2D)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
     @pytest.mark.parametrize('nav_index', (0, 1))
     def test_plot_1D_1D_uniform(self, qtbot, nav_index):
@@ -228,6 +247,9 @@ def test_plot_1D_1D_uniform(self, qtbot, nav_index):
         assert data2D.dim == 'DataND'
         viewer = data2D.plot('qt')
         assert isinstance(viewer, Viewer2D)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
     def test_plot_2D_0D_uniform(self, qtbot):
         NX = 100
@@ -245,6 +267,9 @@ def test_plot_2D_0D_uniform(self, qtbot):
         assert data2D.dim == 'DataND'
         viewer = data2D.plot('qt')
         assert isinstance(viewer, Viewer2D)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
     def test_plot_2D_0D_spread(self, qtbot):
         N = 100
@@ -270,6 +295,9 @@ def test_plot_2D_0D_spread(self, qtbot):
 
         viewer = data2D_spread.plot('qt')
         assert isinstance(viewer, Viewer2D)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
     def test_plot_1D_1D_spread(self, qtbot):
         N = 10
@@ -297,6 +325,9 @@ def test_plot_1D_1D_spread(self, qtbot):
 
         viewer = data2D_spread.plot('qt')
         assert isinstance(viewer, ViewerND)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
 class Test3DPlot:
     @pytest.mark.parametrize('nav_index', ((0,), (1,), (2,), (0, 1), (0, 2), (1, 2)))
@@ -312,6 +343,9 @@ def test_plot_0D_3D_uniform(self, qtbot, get_3D_array, nav_index):
         assert data3D.dim == 'DataND'
         viewer = data3D.plot('qt')
         assert isinstance(viewer, ViewerND)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
 class Test4DPlot:
     @pytest.mark.parametrize('nav_indexes',
@@ -326,6 +360,9 @@ def test_plot_4D_uniform(self, qtbot, get_4D, nav_indexes):
         assert dwa.dim == 'DataND'
         viewer = dwa.plot('qt')
         assert isinstance(viewer, ViewerND)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()
 
     def test_plot_4D_spread(self, qtbot):
         N = 100
@@ -355,3 +392,6 @@ def test_plot_4D_spread(self, qtbot):
 
         viewer = dwa.plot('qt')
         assert isinstance(viewer, ViewerND)
+        qtbot.addWidget(viewer.parent)
+        viewer.parent.close()
+        viewer.parent.deleteLater()