Move non-ascii test from test_run_code() to a new function: test_non_ascii()

Lib/test/test_cmd_line.py

@@ -99,8 +99,10 @@ class CmdLineTest(unittest.TestCase):
         # All good if execution is successful
         assert_python_ok('-c', 'pass')
 
+    @unittest.skipIf(sys.getfilesystemencoding() == 'ascii',
+                     'need a filesystem encoding different than ASCII')
+    def test_non_ascii(self):
         # Test handling of non-ascii data
-        if sys.getfilesystemencoding() != 'ascii':
         if test.support.verbose:
             import locale
             print('locale encoding = %s, filesystem encoding = %s'