gh-130177: Fix unintentionally skipped tests in test_gettext (GH-130178)

diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index e517c9d5c2a53f3780c9013cd7ce7c4a1ad6a370..dd00e8498962fe156b7b93d39e2ac859cb2077e5 100644 (file)
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -402,7 +402,7 @@ class GNUTranslationsClassPluralFormsTestCase(PluralFormsTests, GettextBaseTest)
             numbers_only=False)
 
 
-class PluralFormsInternalTestCase:
+class PluralFormsInternalTestCase(unittest.TestCase):
     # Examples from http://www.gnu.org/software/gettext/manual/gettext.html
 
     def test_ja(self):