[UT] Fixed floating_ip_pools fake return to expected one

It seems that author wanted to return two pools. But because of typo,
method now returns only one of them. Fixed typo to return two pools.

Change-Id: Ia77a8529fd4db1b06860073ebf33bd54b43438cd
Fix Serivce class AttributeError

When we str(service_object), an AttributeError occurred like this:
========================
  File "/opt/stack/python-novaclient/novaclient/v1_1/services.py", line
24, in __repr__
    return "<Service: %s>" % self.service
  File
"/opt/stack/python-novaclient/novaclient/openstack/common/apiclient/base.py",
 line 463, in __getattr__
    raise AttributeError(k)
AttributeError: service
========================
This commit fixes it.

Change-Id: I496d522591273bf1b1e7dbadf19afaf5e64e41e3
Closes-Bug: #1276408
Merge "Fix Serivce class AttributeError"
Merge "[UT] Fixed floating_ip_pools fake return to expected one"