Add file content sizes to transmat test fixtures.  Scanning files would fill this in; so we should table it up too, for easy of match assertions.
Add file content sizes to transmat test fixtures.  Scanning files would fill this in; so we should table it up too, for easy of match assertions.

Signed-off-by: Eric Myhre <2346ad27d7568ba9896f1b7da6b5991251debdf2@exultant.us>

polydawn/rio,polydawn/rio