fix and extend error test after allowing new PEP 448 unpacking syntax

tests/errors/callargs.pyx

@@ -7,16 +7,21 @@ args   = (1,2,3)
 kwargs = {u"test" : "toast"}
 
 def test():
+    # ok
+    f(1, 2, c=3, *args, d=5, **kwargs, **kwargs)
+    f(1, 2, c=3, *args, d=5, **kwargs, x=6)
+    f(1, 2, **kwargs, c=3)
+    f(1, 2, c=3, *args, *args, **kwargs)
     f(*args, 1, 2, 3)
+    # errors
     f(**kwargs, 1, 2, c=3)
     f(*args, **kwargs, *args)
     f(1, 2, c=3, *args, **kwargs, *args)
-    f(1, 2, c=3, *args, d=5, **kwargs, **kwargs)
-    f(1, 2, c=3, *args, d=5, **kwargs, x=6)
     f(1=2)
 
+
 # too bad we don't get more errors here ...
 
 _ERRORS = u"""
-10:13: Non-keyword arg following star-arg
+17:16: Non-keyword arg following keyword arg
 """