restore run-weakref.test

Author: brianschubert

mypyc/test-data/run-weakref.test

@@ -1,7 +1,6 @@
 # Test cases for weakrefs (compile and run)
 
-# TODO: fixme
-[case testWeakrefRef-xfail]
+[case testWeakrefRef]
 from weakref import ref
 from mypy_extensions import mypyc_attr
 
@@ -10,16 +9,22 @@ class Object:
     """some random weakreffable object"""
     pass
 
-def test_weakref_ref() -> None:
+def test_weakref_ref():
     obj = Object()
     r = ref(obj)
     assert r() is obj
     obj = None
     assert r() is None, r()
 
-def test_weakref_ref_with_callback() -> None:
+def test_weakref_ref_with_callback():
     obj = Object()
     r = ref(obj, lambda x: x)
     assert r() is obj
     obj = None
     assert r() is None, r()
+
+[file driver.py]
+from native import test_weakref_ref, test_weakref_ref_with_callback
+
+test_weakref_ref()
+test_weakref_ref_with_callback()