Use python -m coverage.__main__ to invoke coverage
Use python -m coverage.__main__ to invoke coverage

Change-Id: I286922565ee947fea72a1d9ac4cc3a4845ab4deb
Closes-bug: #1319028

rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui