Add 'Member' role to test user
Add 'Member' role to test user

Role 'Member' is needed to access to swift. Add it to our test user
before tests.

Change-Id: Ia934c2394f2b44c7ab55728c2164da422899587b

openstack/ec2-api,hayderimran7/ec2-api,stackforge/ec2-api,stackforge/ec2-api,hayderimran7/ec2-api,openstack/ec2-api