nixos/test-driver: provide machines, machines_qemu, machines_nspawn to testScript

nixos/lib/test-driver/src/test_driver/driver.py

@@ -228,6 +228,7 @@ class Driver:
         general_symbols = dict(
             start_all=self.start_all,
             test_script=self.test_script,
+            machines=self.machines,
             machines_qemu=self.machines_qemu,
             machines_nspawn=self.machines_nspawn,
             vlans=self.vlans,

nixos/lib/test-script-prepend.py

@@ -45,6 +45,8 @@ subtest: Callable[[str], ContextManager[None]]
 retry: RetryProtocol
 test_script: Callable[[], None]
 machines: List[BaseMachine]
+machines_qemu: List[QemuMachine]
+machines_nspawn: List[NspawnMachine]
 vlans: List[VLan]
 driver: Driver
 log: AbstractLogger