Copy the ReplayKernelBase class from the avocado tests. We are going
to need it to convert the related replay tests in the following patches.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250128152839.184599-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
