chore(itam): disable pre CenturionModel inheritance tests

ref: #804 #802

app/itam/tests/functional/endpoint_software_installs/test_software_installs_serializer.py

@@ -55,6 +55,7 @@ class MockRequest:
 
 
 
+@pytest.mark.skip( reason = 'to be refactored' )
 class SoftwareInstallsValidationAPI(
     TestCase,
 ):

app/itam/tests/functional/endpoint_software_installs/test_software_installs_viewset.py

@@ -20,6 +20,7 @@ User = django.contrib.auth.get_user_model()
 
 
 
+@pytest.mark.skip( reason = 'to be refactored' )
 class ViewSetBase:
 
     model = DeviceSoftware