Rename test_pep####.py files

Lib/test/test_tokenize.py

@@ -1529,12 +1529,13 @@ class TestRoundtrip(TestCase):
         tempdir = os.path.dirname(fn) or os.curdir
         testfiles = glob.glob(os.path.join(tempdir, "test*.py"))
 
-        # Tokenize is broken on test_pep3131.py because regular expressions are
-        # broken on the obscure unicode identifiers in it. *sigh*
-        # With roundtrip extended to test the 5-tuple mode of  untokenize,
-        # 7 more testfiles fail.  Remove them also until the failure is diagnosed.
+        # Tokenize is broken on test_unicode_identifiers.py because regular
+        # expressions are broken on the obscure unicode identifiers in it.
+        # *sigh* With roundtrip extended to test the 5-tuple mode of
+        # untokenize, 7 more testfiles fail.  Remove them also until the
+        # failure is diagnosed.
 
-        testfiles.remove(os.path.join(tempdir, "test_pep3131.py"))
+        testfiles.remove(os.path.join(tempdir, "test_unicode_identifiers.py"))
         for f in ('buffer', 'builtin', 'fileio', 'inspect', 'os', 'platform', 'sys'):
             testfiles.remove(os.path.join(tempdir, "test_%s.py") % f)