diff --git a/pytest.ini b/pytest.ini
index b1be60c..6f5fbd3 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,2 +1,5 @@
 [pytest]
 qt_api=pyside2
+addopts = --doctest-modules
+filterwarnings =
+    ignore::DeprecationWarning
diff --git a/tests/test_gui.py b/tests/test_gui.py
index 76652e4..fe96084 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -20,9 +20,9 @@
 #
 
 def test_region_tree_renders_without_problems(qtbot):
-    ...
-    # tree_view = BrainRegionTree(model=BrainRegionTreeModel())
-    # tree_view.render()
+    tree_view = BrainRegionTree(model=BrainRegionTreeModel())
+    qtbot.add_widget(tree_view.widget)
+    tree_view.render()
 
 #
 # def test_sidebar_renders_without_problems(qtbot):