additional close viewer

Author: melonora

tests/test_aaa.py

@@ -1,4 +1,5 @@
 import pytest
+from napari.viewer import Viewer
 
 from napari_spatialdata._model import DataModel
 from napari_spatialdata._scatterwidgets import PlotWidget
@@ -21,3 +22,4 @@ def test_initialization(plot_widget):
 def test_elementwidget(make_napari_viewer):
     _ = make_napari_viewer()
     assert 1 == 1
+    Viewer.close_all()