There's no need for the tokenize tests to include a SyntaxError.
diff --git a/Lib/test/tokenize_tests.py b/Lib/test/tokenize_tests.py
index 4974671..e990a36 100644
--- a/Lib/test/tokenize_tests.py
+++ b/Lib/test/tokenize_tests.py
@@ -144,7 +144,7 @@
 # Operators
 
 def d22(a, b, c=1, d=2): pass
-def d01v(a=1, *rest, **rest): pass
+def d01v(a=1, *restt, **restd): pass
 
 (x, y) <> ({'a':1}, {'b':2})