Fixed a bug in the enum value map, fixing a few unit tests.

python/descriptor.c

@@ -533,7 +533,7 @@ static PyObject* PyUpb_Descriptor_GetEnumValuesByName(PyObject* _self,
       // bang for the buck.
       const upb_EnumValueDef* ev = upb_EnumDef_Value(e, j);
       const char* name = upb_EnumValueDef_Name(ev);
-      PyObject* val = PyLong_FromLong(upb_EnumValueDef_Number(ev));
+      PyObject* val = PyUpb_EnumValueDescriptor_Get(ev);
       if (!val || PyDict_SetItemString(ret, name, val) < 0) {
         Py_XDECREF(val);
         Py_DECREF(ret);

python/pb_unit_tests/descriptor_test_wrapper.py

@@ -31,8 +31,6 @@ descriptor_test.GeneratedDescriptorTest.testDescriptor.__unittest_expecting_fail
 descriptor_test.MakeDescriptorTest.testCamelcaseName.__unittest_expecting_failure__ = True
 descriptor_test.MakeDescriptorTest.testJsonName.__unittest_expecting_failure__ = True
 descriptor_test.NewDescriptorTest.testImmutableCppDescriptor.__unittest_expecting_failure__ = True
-descriptor_test.NewDescriptorTest.testNestedOptions.__unittest_expecting_failure__ = True
-descriptor_test.NewDescriptorTest.testSimpleCustomOptions.__unittest_expecting_failure__ = True
 
 if __name__ == '__main__':
   unittest.main(module=descriptor_test, verbosity=2)