Fix execute status of cleanup script files

cleanup.py should be executable, cleanup_service.py is a module.

Change-Id: Ibb8e06a0165d9b2f42c1aeec8bf639227a5480d3
Remove AltManager class from client

As Change-Id: I280f2b1659c593e14ab9213a161b55bcfc08fa5c has modified
the Manager instantiation for non isolated tenant, AltManager class
is no more needed.

Tests runs for non isolated by instantiating the Manager with 'alt'
credential.

This patch removes the class AltManager from client.py

Closes-Bug: #1329065

Change-Id: I0dcf4050d8524655b017b4b5308fe3070aa2f840
Fix AttributeError when test_function_help fails

This commit fixes a missed usage of the CommandFailed exception during
the migration moving it from tempest.cli to tempest.exceptions in change
Ibf5f1cbbb847d32976b54c4484acfc3c0e3b4f48. The outdated module
path could cause an AttributeError to be raised because the exception no
longer existing in tempest.cli.

Change-Id: I502eaef3486d903931dab43069cec1ae7ee570f1
Add config option for XML support in Networking

The first step to removing XML in Kilo is making XML testing optional.
Stable test configs will need to be updated to enable this feature to prevent
regressions in stable releases.

Change-Id: I30b9565e01c623814a9c503c4b1c26642afed878
Merge "Add config option for XML support in Networking"
Remove checking of non empty resp body for 204

In case API respond with 204 status code which mean empty response
body, test case does not need to explicitly check the empty response
body. General check for the same is done in rest_client'
response_checker()

This patch removes those checks of empty response body in tests.

Change-Id: I34537968c1a58e6e73022637a71a3a8091ac214c
Fix missing usage of the xml neutron clients

This commit adds a conf check for a use of the neutron xml clients
which is outside of the network api tests. This is causing failures
when the neutron xml api is not available.

Change-Id: I51ca8c5ceb65d4ed07b17ed3c1895eeef1c54878
Merge "Remove checking of non empty resp body for 204"
Merge "Fix AttributeError when test_function_help fails"
Merge "Fix missing usage of the xml neutron clients"
Merge "Fix execute status of cleanup script files"
Merge "Remove AltManager class from client"
Skip some tests when cinder is not enabled

test_delete_server_while_in_attached_volume:
    Skip when cinder is not enabled.
ServerRescueTestJSON:
    No test access the volume resource_setup creates, so stop creating one.
ServerRescueNegativeTestJSON:
    Move volume creation into tests that use it and skip them when cinder
    is not enabled.

Change-Id: Ibf58d19d72b762198de8cf6838bbabb3a4c5bad4