Fix vanilla test_get_configs() for i386

When tests are executed on i386, default config values such as
10737418240 are instances of long, whereas when tests are executed
on amd64, the same value is an instance of int.

Closes-bug: 1386743
Change-Id: Iceeb557f3daf40ab4a2ca0dec886e1a646f3b6ef
Merge "Fix vanilla test_get_configs() for i386"