commit 5507b523a7a47f6d06798482735d5cc800f54f35
author Richard Frankel <rofrankel@google.com> Thu Oct 13 18:39:52 2016 -0400
committer Richard Frankel <rofrankel@google.com> Thu Nov 03 19:10:34 2016 -0400
tree 2777a885232cbe800f6e925318a344490f6f8f12
parent 079642ac7083851032567d4c3598531590746b79

conman:  Fake all subprocesses consistently.

conman unit tests currently fake subprocess calls in a variety of ad
hoc methods.

This adds a fake subprocess module that delegates subprocess calls to
fake Python implementations.  This made it possible to rewrite the
conman unit tests to be much more consistent, organized, and bug-free.

This rewrite uncovered some small bugs (all changes to non-test files
comprise the resulting fixes, or related cleanup).

BUG=31772343

Change-Id: Iebfba1c985d877ff2c3849a90300cc3fd83b8dda