win_virtio_serial_data_transfer_reboot:fix python3 issue

qemu_guest_agent:fix type error of gagent_uninstall_cmd

1.There is no need to replace the placeholder of gagent_uninstall_cmd.
2.It is defined in QemuGuestAgentTest class,no need to redefine it in
  QemuGuestAgentBasicCheckWin class.
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

1.support python3 command.
2.fix struct.error: argument for 's' must be a bytes object
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

Openflow_acl_test.xxx.ftp: Create a New FTP Site by Editing the IIS Configuration Files

updated write lock err msg checker

tp-qemu: Add case WMI_facility_test for windows guests

step1: boot guest vm up with num_queues
step2: enable vioscsi.sys verifier in guest
step3: run wmi check command
step4: check instance.QueuesCount value as expected
Signed-off-by: NPeixiu Hou <phou@redhat.com>

Due to qemu-img write lock err msg changes,
updated the write lock err msg checker to fit all
the cases.
Signed-off-by: NHaotong Chen <hachen@redhat.com>

qemu..smbios: Fix typo in Host.RHEL filter

Some Avocado versions use Host_RHEL but latest upstream uses Host.RHEL.
Let's use both to get the expected behavior on all versions.
Signed-off-by: NLukáš Doktor <ldoktor@redhat.com>

qemu_guest_agent:fix qemu-ga uninstall failed issue

add a test case create a snapshot on a running base

generic/hwclock: print expected output pattern on fail

added three qemu-img measure tests

added commit qcow2 snapshot to raw backing image cases

`sync` and `md5sum` could take longer on some outdated hosts
Signed-off-by: NHaotong Chen <hachen@redhat.com>

Avoid running ctrl_vlan cases with other devices except virtio-net

mac_change:fix error "Guest mac change failed" in windows guests

only virtio-net supports ctrl_vlan parameter. Avoid running this case
with other devices.
Signed-off-by: NYihuang Yu <yihyu@redhat.com>

single_driver_install: Fix the unicode issue

Update error message pattern for ALT7 guest

The generic hwclock test may fail as false-positive in reason
of a pattern output mismatch, but not exactly because it failed
to set the clock. In that case, printing the expected output pattern
on the fail message is useful to quickly spot the problem.
Signed-off-by: NWainer dos Santos Moschetta <wainersm@redhat.com>

`findstr` cannot handle unicode well and that cause the problem to
get the version of the given driver, so let's call `type` to solve
it.
Signed-off-by: NXu Han <xuhan@redhat.com>

qemu_guest_agent: update guest file write test with count parameter

balloon_service: Add two balloon service related cases

ksm_base: Fix python3 bytes issue

The check_guest_file test case only cover basic guest file write test,
need to do more test for it.
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

1. update corresponding pattern for ALT7 guest
2. drop unused parameter.
Signed-off-by: NYihuang Yu <yihyu@redhat.com>

Signed-off-by: NYumei Huang <yuhuang@redhat.com>

self.gagent_uninstall_cmd can't get correct value in some condition.
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

qmp_command: Improve the test

rh_kernel_update: Modify the step of updating kernel cmdline

Add two new cases related to balloon service:
1. install/uninstall balloon service;
2. disable/enable balloon service;
Signed-off-by: NLi Jin <lijin@redhat.com>

1. rebase with different compat modes
2. rebase with various cache modes
Signed-off-by: NHaotong Chen <hachen@redhat.com>

added rebase second qcow2 snapshot to a raw base cases

added a rebase a qcow2 snapshot to remove the raw backing case

Signed-off-by: NHaotong Chen <hachen@redhat.com>

timedrift_check_after_load_vm: add case

win_sigverif: case for windows "sigverif" utility testing