Make sure the root windows gets destroyed

diff --git a/Lib/lib-tk/test/test_ttk/test_widgets.py b/Lib/lib-tk/test/test_ttk/test_widgets.py
index 7cc045978b787cf83062c576e400e4b535b201e1..3c045b72dfdbc0623f96ded37fe311e4df650251 100644 (file)
--- a/Lib/lib-tk/test/test_ttk/test_widgets.py
+++ b/Lib/lib-tk/test/test_ttk/test_widgets.py
@@ -708,10 +708,13 @@ class NotebookTest(unittest.TestCase):
 class TreeviewTest(unittest.TestCase):
 
     def setUp(self):
-        self.tv = ttk.Treeview()
+        self.root = support.get_tk_root()
+        self.tv = ttk.Treeview(self.root)
 
     def tearDown(self):
         self.tv.destroy()
+        self.root.update_idletasks()
+        self.root.destroy()
 
 
     def test_bbox(self):