[chores] Moved and renamed test for #948

Related to #948

(cherry picked from commit 4551444)

openwisp_controller/config/tests/test_template.py

@@ -501,6 +501,20 @@ def test_required_vpn_template_corner_case(self):
         # {'__all__': ['VPN client with this Config and Vpn already exists.']}
         self.assertIsNotNone(vpn_client)
 
+    def test_regression_preventing_from_fixing_invalid_conf(self):
+        template = self._create_template()
+        # create a template with an invalid configuration
+        Template.objects.update(config={'interfaces': [{'name': 'eth0', 'type': ''}]})
+        # ensure the configuration raises ValidationError
+        with self.assertRaises(NetjsonconfigValidationError):
+            template.refresh_from_db()
+            del template.backend_instance
+            template.checksum
+        del template.backend_instance
+        template.config = {'interfaces': [{'name': 'eth0', 'type': 'ethernet'}]}
+        template.full_clean()
+        template.save()
+
 
 class TestTemplateTransaction(
     TransactionTestMixin,
@@ -734,18 +748,3 @@ def test_task_timeout(self, mocked_update_related_config_status):
             template.save()
             mocked_error.assert_called_once()
         mocked_update_related_config_status.assert_called_once()
-
-    def test_fixing_wrong_configuration(self):
-        template = self._create_template()
-        # create a wrong configuration
-        Template.objects.update(config={'interfaces': [{'name': 'eth0', 'type': ''}]})
-        # Ensure the configuration raises ValidationError
-        with self.assertRaises(NetjsonconfigValidationError):
-            template.refresh_from_db()
-            del template.backend_instance
-            template.checksum
-
-        del template.backend_instance
-        template.config = {'interfaces': [{'name': 'eth0', 'type': 'ethernet'}]}
-        template.full_clean()
-        template.save()