Experimental parser: always apply default transitions

tools/lexer_generator/test/term_test.py

 # Copyright 2014 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 import unittest
 from lexer_generator.term import Term
 
 class TermTestCase(unittest.TestCase):
 
   def test_basic(self):
 
     t = Term('a')
     self.assertEqual('a', t.name())
     self.assertEqual((), t.args())
-    self.assertEqual("(a)", str(t))
+    self.assertEqual("a()", str(t))
     self.assertEqual(Term('a'), t)
 
     t = Term('a', 'b', 'c')
     self.assertEqual('a', t.name())
     self.assertEqual(('b', 'c'), t.args())
-    self.assertEqual("(a,b,c)", str(t))
+    self.assertEqual("a(b,c)", str(t))
     self.assertEqual(Term('a', 'b', 'c'), t)
 
     t = Term('a', Term('b', 'c'))
     self.assertEqual('a', t.name())
     self.assertEqual((Term('b', 'c'), ), t.args())
-    self.assertEqual("(a,(b,c))", str(t))
+    self.assertEqual("a(b(c))", str(t))
     self.assertEqual(Term('a', Term('b', 'c')), t)