diff --git a/tests/utils/stl/test/features.py b/tests/utils/stl/test/features.py
index 36e4cd70cd0..f5a13551fc1 100644
--- a/tests/utils/stl/test/features.py
+++ b/tests/utils/stl/test/features.py
@@ -36,13 +36,11 @@ def getDefaultFeatures(config, litConfig):
       'ru_RU.UTF-8':     ['ru_RU.UTF-8', 'ru_RU.utf8', 'Russian_Russia.1251'],
       'zh_CN.UTF-8':     ['zh_CN.UTF-8', 'zh_CN.utf8', 'Chinese_China.936'],
       'fr_CA.ISO8859-1': ['fr_CA.ISO8859-1', 'French_Canada.1252'],
-      'cs_CZ.ISO8859-2': ['cs_CZ.ISO8859-2', 'Czech_Czech Republic.1250']
+      'cs_CZ.ISO8859-2': ['cs_CZ.ISO8859-2', 'Czech_Czechia.1250']
     }
     for loc, alts in locales.items():
-      # Note: Using alts directly in the lambda body here will bind it to the value at the
-      # end of the loop. Assigning it to a default argument works around this issue.
-      DEFAULT_FEATURES.append(Feature(name='locale.{}'.format(loc),
-                                      when=lambda cfg, alts=alts: any(hasLocale(alt) for alt in alts)))
+      if any(hasLocale(alt) for alt in alts):
+        DEFAULT_FEATURES.append(Feature(name=f'locale.{loc}'))
     env_var = 'STL_EDG_DROP'
     litConfig.edg_drop = None
     if env_var in os.environ and os.environ[env_var] is not None: