qtest: use correct boolean type for failover property

QMP device_add does not historically validate the parameter types.
At some point it will likely change to enforce correct types, to
match behaviour of -device. The failover property is expected to
be a boolean in JSON.

Signed-off-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20240103123005.2400437-1-berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
1 file changed