Add test for virsh connect

This is test for virsh connect:

yangdongsheng (4):
virt-libvirt: Fix prompt in VirshSession to support 'virsh >'
virt: Add connect func into virsh module.
virt: Add utils_conn module into virttest.
virt-libvirt: Add configuration and test module for virsh connect.

libvirt/tests/cfg/virsh_connect.cfg | 78 +++++
libvirt/tests/virsh_connect.py | 196 +++++++++++
virttest/utils_conn.py | 614 +++++++++++++++++++++++++++++++++++
virttest/virsh.py | 15 +-
4 files changed, 902 insertions(+), 1 deletion(-)
create mode 100644 libvirt/tests/cfg/virsh_connect.cfg
create mode 100644 libvirt/tests/virsh_connect.py
create mode 100644 virttest/utils_conn.py