tests: Test OVMF with Linux guest

Extending the test_simple_launch() integration test to validate Cloud
Hypervisor boots correctly with both rust-hypervisor-fw and OVMF on
x86_64 platforms.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

test_infra/src/lib.rs

@@ -138,6 +138,7 @@ pub trait DiskConfig {
     fn disk(&self, disk_type: DiskType) -> Option<String>;
 }
 
+#[derive(Clone)]
 pub struct UbuntuDiskConfig {
     osdisk_path: String,
     cloudinit_path: String,