Work around test for add_file, FakeWeb is returning nil
Revert "Work around test for add_file, FakeWeb is returning nil"

This reverts commit 1cf871620dc4d4ebb7a984968d7292e8c33180b0.
Hair pulling bug, sourced from https://github.com/ef4/pamfaxr/commit/82c31413d3ebe0c347bd4b540132c24906083abe