[4.1.x] Fixed #33800 -- Fixed system check for the same template tag module in installed apps and template tag libraries.

Thanks Claude Paroz for the report.

Regression in 004b4620f6f4ad87261e149898940f2dcd5757ef.
Backport of 083bfca6b6c00d0f45837a65c2db721eaf46bc07 from main

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/check_framework/test_templates.py b/tests/check_framework/test_templates.py
index 352a017e55..439097f1e1 100644
--- a/tests/check_framework/test_templates.py
+++ b/tests/check_framework/test_templates.py
@@ -161,6 +161,19 @@ class CheckTemplateTagLibrariesWithSameName(SimpleTestCase):
     @override_settings(
         INSTALLED_APPS=["check_framework.template_test_apps.same_tags_app_1"]
     )
+    def test_template_tags_same_library_in_installed_apps_libraries(self):
+        with self.settings(
+            TEMPLATES=[
+                self.get_settings(
+                    "same_tags", "same_tags_app_1.templatetags.same_tags"
+                ),
+            ]
+        ):
+            self.assertEqual(check_for_template_tags_with_the_same_name(None), [])
+
+    @override_settings(
+        INSTALLED_APPS=["check_framework.template_test_apps.same_tags_app_1"]
+    )
     def test_template_tags_with_same_library_name_and_module_name(self):
         with self.settings(
             TEMPLATES=[