Add upload definition action in test
Add upload definition action in test

Add upload definition action in get_workbook_definition
test, because if definition isn't exist, get request
returns 404, but it's a positive test

Change-Id: I5a3c57e7842fbbc80034226926b2a88141192cd7

openstack/mistral,dennybaa/mistral,openstack/mistral,StackStorm/mistral,dennybaa/mistral,StackStorm/mistral