Show missing branches in coverage report.

smerritt · smerritt · commit 2f2899eb1df5 · 2017-12-14T14:57:48.000-08:00
This used to be the default in coverage 3.x, but 4.0+ requires you to
explicitly configure it.

Change-Id: I3b06154c7862c300b5a2b3afb14cced1e8411468
diff --git a/.coveragerc b/.coveragerc
@@ -3,4 +3,5 @@ branch = True
 omit = /usr*,setup.py,*egg*,.venv/*,.tox/*,test/*
 
 [report]
+show_missing = True
 ignore_errors = True
