anchor.diff:  
   
         def create_vm_${name}():
  -          # fmt: off
  -          vbm(f"createvm --name ${name} ${createFlags}")
  -          vbm(f"modifyvm ${name} ${vmFlags}")
  -          vbm(f"setextradata ${name} VBoxInternal/PDM/HaltOnReset 1")
  -          vbm(f"storagectl ${name} ${controllerFlags}")
  -          vbm(f"storageattach ${name} ${diskFlags}")
  -          vbm(f"sharedfolder add ${name} ${sharedFlags}")
  -          vbm(f"sharedfolder add ${name} ${nixstoreFlags}")
  +          vbm("createvm --name ${name} ${createFlags}")
  +          vbm("modifyvm ${name} ${vmFlags}")
  +          vbm("setextradata ${name} VBoxInternal/PDM/HaltOnReset 1")
  +          vbm("storagectl ${name} ${controllerFlags}")
  +          vbm("storageattach ${name} ${diskFlags}")
  +          vbm("sharedfolder add ${name} ${sharedFlags}")
  +          vbm("sharedfolder add ${name} ${nixstoreFlags}")
             cleanup_${name}()
   
             ${mkLog "$HOME/VirtualBox VMs/${name}/Logs/VBox.log" "HOST-${name}"}
  -          # fmt: on
   
   
         def destroy_vm_${name}():
  
positive.code: 
        def wait_for_ip_${name}(interface):
            property = f"/VirtualBox/GuestInfo/Net/{interface}/V4/IP"
            # fmt: off
            getip = f"VBoxManage guestproperty get ${name} {property} | sed -n -e 's/^Value: //p'"
            # fmt: on
  
            ip = machine.succeed(
                ru(
  
negative.code: 
        machine.wait_for_x()
  
        ${mkLog "$HOME/.config/VirtualBox/VBoxSVC.log" "HOST-SVC"}
  
        ${testScript}
        # (keep black happy)
  