We have consolidated the fetch output roles into one
fetch-subunit-output, replace useage of old roles with new one.
Depends-On: I0cdfc66ee8b046affeb0b071fef38c21cb7a4948
Change-Id: Iae2892d9b4cd870a11579434edc9ee66bd16798c
Our functional tests depend on OS_CLOUD (or other OS_* envvars)
to retrieve authentication information.
Functional test failure is caused by the lack of OS_CLOUD envvar.
This commit updates the job playbook to pass OS_CLOUD.
Change-Id: I903ce599082cc923f02e26a2058bbfa7eb9bb2d6