Fix unit tests related to cloudpipe_update

In some unit tests related to cloudpipe_update, there are two negative
factors(ex. bad url and bad body) and current tests don't verify its
purposes. This patch removes unnecessary factor.

Change-Id: I5e78b47e6f4c7359a7f0c16898a26e3649d92eb2
Merge "Fix unit tests related to cloudpipe_update"