tests/vm: Introduce get_qemu_packages_from_lcitool_json() helper

Add the get_qemu_packages_from_lcitool_json() helper which return
such package list from a lcitool env var file in JSON format.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230711144922.67491-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
1 file changed