Fix test other.test_browser_language_detection to allow any language (e.g. en_US, en_FI, fi_FI, and so on). This allows developers who are not en_US to also run the test.

Author: juj

test/test_other.py

@@ -6901,7 +6901,8 @@ def test_browser_language_detection(self):
     # We support both "C" and "en_US" here since older versions of node do
     # not expose navigator.languages.
     lang = os.environ.get('LANG', 'C.UTF-8')
-    self.assertContained(f'LANG=({lang}|en_US.UTF-8|C.UTF-8)', self.run_js('a.out.js'), regex=True)
+    # User may have their own language set, so match regex ".._.." to catch any language, e.g. en_US, en_FI, etc.
+    self.assertContained(f'LANG=({lang}|.._..\\.UTF-8|C.UTF-8)', self.run_js('a.out.js'), regex=True)
 
     # Accept-Language: fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3
     create_file('pre.js', 'var navigator = { language: "fr" };')