Add missing multi deletion error handling for
identity delete commands.
All delete commands in identity support
error handling now.
Change-Id: I05626dcb5e516a423d610906347b02236ba7eeaf
this will better isolate the unit tests from the functional tests.
unfortunately, the "integration" tests had to be lumped into the
"unit" tests since we need the separation in testr.conf
Change-Id: Ifd12198c1f90e4e3c951c73bfa1884ab300d8ded