Set up commands to run to execute new unit tests.
Ignore output from testr and coverage.
Rename the dist to match the package name so that the testr/coverage
integration works properly.
Add test-requirements.txt with some common testing dependencies.
Change-Id: Ic6f34df893f3981a9af6122456b9feb9c80b31dd
Signed-off-by: Doug Hellmann <doug@doughellmann.com>