The UUID/name switch avoided this particular bit of code, and as a
result the list-drbd command failed as it tried to compare UUIDs and
names. This patch fixes the retrieval, converts the newly returned
UUIDs to names, and modifies the QA to the results and not only the
invocation are checked.

Signed-off-by: Gerard Oskamp <gjo@google.com>
Signed-off-by: Hrvoje Ribicic <riba@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>