disable test in pypy

tests/pypy_bugs.txt

@@ -9,7 +9,6 @@ memoryview
 memslice
 sequential_parallel
 setjmp
-special_methods_T561
 yield_from_pep380
 
 # GIL issues
@@ -22,14 +21,18 @@ run.parallel
 # gc issue?
 memoryview_in_subclasses
 external_ref_reassignment
+run.exttype_dealloc
 
 # https://bitbucket.org/pypy/pypy/issue/2023/cpyext-pydict_keys-values-items-does-not
 builtin_subtype_methods_cy3
 
+# bugs in cpyext
+run.special_methods_T561
+run.special_methods_T561_py2
+
 # tests for things that don't exist in cpyext
 compile.pylong
 run.datetime_pxd
 run.datetime_cimport
 run.datetime_members
 run.extern_builtins_T258
-run.exttype_dealloc