test fixes for PyPy

tests/run/tp_new.pyx

@@ -69,7 +69,7 @@ def make_new_none(type t=None):
     """
     >>> make_new_none()  # doctest: +ELLIPSIS
     Traceback (most recent call last):
-    TypeError: ...__new__(X): X is not a type object (NoneType)
+    TypeError: ... is not a type object (NoneType)
     """
     m = t.__new__(t)
     return m
@@ -122,7 +122,7 @@ def make_new_none_typed(tuple t=None):
     """
     >>> make_new_none_typed()  # doctest: +ELLIPSIS
     Traceback (most recent call last):
-    TypeError: ...__new__(X): X is not a type object (NoneType)
+    TypeError: ... is not a type object (NoneType)
     """
     m = t.__new__(t)
     return m
@@ -133,7 +133,7 @@ def make_new_untyped(t):
     """
     >>> make_new_untyped(None)  # doctest: +ELLIPSIS
     Traceback (most recent call last):
-    TypeError: ...__new__(X): X is not a type object (NoneType)
+    TypeError: ... is not a type object (NoneType)
     """
     m = t.__new__(t)
     return m