diff --git a/tests/acceptance/x86_cpu_model_versions.py b/tests/acceptance/x86_cpu_model_versions.py
index 5fc9ca4bc660..6eb977954dc2 100644
--- a/tests/acceptance/x86_cpu_model_versions.py
+++ b/tests/acceptance/x86_cpu_model_versions.py
@@ -25,10 +25,6 @@
 import avocado_qemu
 import re
 
-def get_cpu_prop(vm, prop):
-    cpu_path = vm.command('query-cpus')[0].get('qom_path')
-    return vm.command('qom-get', path=cpu_path, property=prop)
-
 class X86CPUModelAliases(avocado_qemu.Test):
     """
     Validation of PC CPU model versions and CPU model aliases
@@ -241,78 +237,74 @@ class CascadelakeArchCapabilities(avocado_qemu.Test):
 
     :avocado: tags=arch:x86_64
     """
+    def get_cpu_prop(self, prop):
+        cpu_path = self.vm.command('query-cpus')[0].get('qom_path')
+        return self.vm.command('qom-get', path=cpu_path, property=prop)
+
     def test_4_1(self):
         # machine-type only:
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.1')
-        vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off')
-        vm.launch()
-        self.assertFalse(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.1')
+        self.vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off')
+        self.vm.launch()
+        self.assertFalse(self.get_cpu_prop('arch-capabilities'),
                          'pc-i440fx-4.1 + Cascadelake-Server should not have arch-capabilities')
 
     def test_4_0(self):
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.0')
-        vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off')
-        vm.launch()
-        self.assertFalse(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.0')
+        self.vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off')
+        self.vm.launch()
+        self.assertFalse(self.get_cpu_prop('arch-capabilities'),
                          'pc-i440fx-4.0 + Cascadelake-Server should not have arch-capabilities')
 
     def test_set_4_0(self):
         # command line must override machine-type if CPU model is not versioned:
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.0')
-        vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off,+arch-capabilities')
-        vm.launch()
-        self.assertTrue(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.0')
+        self.vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off,+arch-capabilities')
+        self.vm.launch()
+        self.assertTrue(self.get_cpu_prop('arch-capabilities'),
                         'pc-i440fx-4.0 + Cascadelake-Server,+arch-capabilities should have arch-capabilities')
 
     def test_unset_4_1(self):
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.1')
-        vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off,-arch-capabilities')
-        vm.launch()
-        self.assertFalse(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.1')
+        self.vm.add_args('-cpu', 'Cascadelake-Server,x-force-features=on,check=off,enforce=off,-arch-capabilities')
+        self.vm.launch()
+        self.assertFalse(self.get_cpu_prop('arch-capabilities'),
                          'pc-i440fx-4.1 + Cascadelake-Server,-arch-capabilities should not have arch-capabilities')
 
     def test_v1_4_0(self):
         # versioned CPU model overrides machine-type:
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.0')
-        vm.add_args('-cpu', 'Cascadelake-Server-v1,x-force-features=on,check=off,enforce=off')
-        vm.launch()
-        self.assertFalse(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.0')
+        self.vm.add_args('-cpu', 'Cascadelake-Server-v1,x-force-features=on,check=off,enforce=off')
+        self.vm.launch()
+        self.assertFalse(self.get_cpu_prop('arch-capabilities'),
                          'pc-i440fx-4.0 + Cascadelake-Server-v1 should not have arch-capabilities')
 
     def test_v2_4_0(self):
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.0')
-        vm.add_args('-cpu', 'Cascadelake-Server-v2,x-force-features=on,check=off,enforce=off')
-        vm.launch()
-        self.assertTrue(get_cpu_prop(vm, 'arch-capabilities'),
-                         'pc-i440fx-4.0 + Cascadelake-Server-v2 should have arch-capabilities')
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.0')
+        self.vm.add_args('-cpu', 'Cascadelake-Server-v2,x-force-features=on,check=off,enforce=off')
+        self.vm.launch()
+        self.assertTrue(self.get_cpu_prop('arch-capabilities'),
+                        'pc-i440fx-4.0 + Cascadelake-Server-v2 should have arch-capabilities')
 
     def test_v1_set_4_0(self):
         # command line must override machine-type and versioned CPU model:
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.0')
-        vm.add_args('-cpu', 'Cascadelake-Server-v1,x-force-features=on,check=off,enforce=off,+arch-capabilities')
-        vm.launch()
-        self.assertTrue(get_cpu_prop(vm, 'arch-capabilities'),
-                         'pc-i440fx-4.0 + Cascadelake-Server-v1,+arch-capabilities should have arch-capabilities')
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.0')
+        self.vm.add_args('-cpu', 'Cascadelake-Server-v1,x-force-features=on,check=off,enforce=off,+arch-capabilities')
+        self.vm.launch()
+        self.assertTrue(self.get_cpu_prop('arch-capabilities'),
+                        'pc-i440fx-4.0 + Cascadelake-Server-v1,+arch-capabilities should have arch-capabilities')
 
     def test_v2_unset_4_1(self):
-        vm = self.get_vm()
-        vm.add_args('-S')
-        vm.set_machine('pc-i440fx-4.1')
-        vm.add_args('-cpu', 'Cascadelake-Server-v2,x-force-features=on,check=off,enforce=off,-arch-capabilities')
-        vm.launch()
-        self.assertFalse(get_cpu_prop(vm, 'arch-capabilities'),
+        self.vm.add_args('-S')
+        self.vm.set_machine('pc-i440fx-4.1')
+        self.vm.add_args('-cpu', 'Cascadelake-Server-v2,x-force-features=on,check=off,enforce=off,-arch-capabilities')
+        self.vm.launch()
+        self.assertFalse(self.get_cpu_prop('arch-capabilities'),
                          'pc-i440fx-4.1 + Cascadelake-Server-v2,-arch-capabilities should not have arch-capabilities')