diff --git a/src/silx/conftest.py b/src/silx/conftest.py
index 05d32b88d1..4dd48ada57 100644
--- a/src/silx/conftest.py
+++ b/src/silx/conftest.py
@@ -129,7 +129,7 @@ def qapp_utils(qapp):
     utils.setUpClass()
     utils.setUp()
     yield utils
-    utils.tearDown()
+    utils.tearDown(forceCheck=True)
     utils.tearDownClass()
 
 
diff --git a/src/silx/gui/utils/testutils.py b/src/silx/gui/utils/testutils.py
index 31dd5edae7..5a4bbb2ab0 100644
--- a/src/silx/gui/utils/testutils.py
+++ b/src/silx/gui/utils/testutils.py
@@ -180,14 +180,14 @@ def _checkForUnreleasedWidgets(self):
             raise RuntimeError(
                 "Test ended with widgets alive: %s" % str(widgets))
 
-    def tearDown(self):
+    def tearDown(self, forceCheck: bool = False):
         self.qapp.processEvents()
 
         if len(self.__class__._exceptions) > 0:
             messages = "\n".join(self.__class__._exceptions)
             raise AssertionError("Exception occured in Qt thread:\n" + messages)
 
-        if self._currentTestSucceeded():
+        if forceCheck or self._currentTestSucceeded():
             self._checkForUnreleasedWidgets()
 
     @property