fix dodo.py

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Replace the nosetests reference with dodo coverage.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Get rid of nose and replace SkipTest with pytest.skip.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>