Increase timeouts for Manila DSVM jobs
Increase timeouts for Manila DSVM jobs

To compensate for "slow nodes" which cause timeouts on Manila
DSVM jobs on semi-rare occasions, increase the timeouts to
avoid the need to recheck.

Change-Id: I880b9e9cecb05cf32c23ccf3bf70e31d1bcf1827

openstack-infra/project-config,openstack-infra/project-config