Remove django-debug-toolbar from test config to fix local test failure

Disable `debug_toolbar` from `INSTALLED_APPS` and its middleware in
`test.py` settings to ensure tests pass locally regardless of
developer setup.

Author: estyxx

backend/pycon/settings/test.py

@@ -1,8 +1,15 @@
-from .base import env
 from .base import *  # noqa
+from .base import INSTALLED_APPS, MIDDLEWARE, env
 
 IS_RUNNING_TESTS = True
 
+# Disable Django Debug Toolbar in tests
+ENABLE_DJANGO_DEBUG_TOOLBAR = False
+if "debug_toolbar" in INSTALLED_APPS:
+    INSTALLED_APPS.remove("debug_toolbar")
+if "debug_toolbar.middleware.DebugToolbarMiddleware" in MIDDLEWARE:
+    MIDDLEWARE.remove("debug_toolbar.middleware.DebugToolbarMiddleware")
+
 SECRET_KEY = "this-key-should-only-be-used-for-tests"
 HASHID_DEFAULT_SECRET_SALT = "only-for-tests"