Enable swift in tempest-full-py3

swift was disabled in tempest-full-py3 as
it was not ready on python3. But since ussuri
or train swift run fine on py3 and we have
tempest storage integrated py3 job also running on
swift gate.

This commit enable swift for ussuri onwards.

Change-Id: I63159e5e8c0c8b6751ea481577b4c4637a7f25b5
1 file changed