change_media: Check for mkisofs

Since this test uses 'mkisofs' as the basis for it's work, we need to
ensure that the tool is available on the host and SKIP if not; otherwise,
the test will fail with ERROR's
pool_edit: Fix typo

Change opiton to option
Fix the description of LVSB sub testset.

It seems a error from copy-paste, the description of LVSB sub tests
is "Libvirt subtests".

This patch change it to "LVSB subtests".

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
attach_detach_interface: Check for required utility

When running the 'bridge' tests, the code needs to check for the used
'brctl' utility before using it; otherwise, the tests will FAIL.
nwfilter_edit: Replace time/sleep()

Using the sleep() on remote edits is prone to spurrious failures.
Instead use the remote.handle_prompts() in order to ensure the remote
edit completed.  This follows other test usage, such as virsh_edit.py
setvcpus: Resolve test issues

This pull request replaces PR 1218 sent to virt-test prior to the split:

https://github.com/autotest/virt-test/pull/1218

There has been no changes made since the last comments in that PR
Merge pull request #19 from jferlan/setvcpus

setvcpus: Resolve test issues
tp-libvirt: Inspekt fixes

A bunch of PEP8 non compliances and small errors that
were caught by inspekt.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #49 from autotest/inspekt-fixes

tp-libvirt: Inspekt fixes
Merge pull request #23 from jferlan/nwfilter_edit

nwfilter_edit: Replace time/sleep()
Merge pull request #28 from jferlan/pool_edit

pool_edit: Fix typo
Merge pull request #30 from yangdongsheng/MAINTAINER

Fix the description of LVSB sub testset.
Merge pull request #24 from jferlan/change_media

change_media: Check for mkisofs
Merge pull request #22 from jferlan/attach_detach_interface

attach_detach_interface: Check for required utility