diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bf279df1fde..e55185bfe0a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - master
+      - pythoneditor-tests-cleanup
   pull_request:
     branches:
       - master
diff --git a/tox.ini b/tox.ini
index bb3b2dabc0a..d8cbd4b182a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -74,7 +74,7 @@ commands_pre =
     # freeze environment
     pip freeze
 commands =
-    coverage run -m unittest -v Orange.tests Orange.widgets.tests
+    coverage run -Xdev -m unittest -v Orange.tests Orange.widgets.tests
     coverage combine
     coverage report
     # codecov-actions wants xml report
@@ -102,7 +102,7 @@ commands_pre =
     # freeze environment
     pip freeze
 commands =
-    python -m unittest -v Orange.tests Orange.widgets.tests
+    python -Xdev -m unittest -v Orange.tests Orange.widgets.tests
 
 [testenv:pyqt6]
 changedir =
@@ -117,7 +117,7 @@ deps =
     PyQt6-WebEngine-Qt6==6.5.*
 
 commands =
-    python -m unittest -v Orange.widgets.tests
+    python -Xdev -m unittest -v Orange.widgets.tests
 
 [testenv:add-ons]
 deps =
@@ -127,7 +127,7 @@ deps =
     Orange3-ImageAnalytics
     Orange3-Text
 commands =
-    python -m unittest discover --verbose --start-directory {envsitepackagesdir}/orangecontrib
+    python -Xdev -m unittest discover --verbose --start-directory {envsitepackagesdir}/orangecontrib
 
 [testenv:pylint-ci]
 changedir = {toxinidir}