Traceback (most recent call last):
  File "/usr/lib64/python2.7/unittest/case.py", line 369, in run
    testMethod()
  File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 129, in wrapped_test
    test()
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper
    return func(get_test_prefix(), *args, **kwargs)
  File "/home/jenkins/workspace/ovirt-4.2_change-queue-tester/ovirt-system-tests/basic-suite-4.2/test-scenarios/002_bootstrap.py", line 277, in add_cluster
    add_cluster_4(prefix)
  File "/home/jenkins/workspace/ovirt-4.2_change-queue-tester/ovirt-system-tests/basic-suite-4.2/test-scenarios/002_bootstrap.py", line 314, in add_cluster_4
    id=provider_id,
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py", line 4339, in add
    return self._internal_add(cluster, headers, query, wait)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 232, in _internal_add
    return future.wait() if wait else future
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 55, in wait
    return self._code(response)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 229, in callback
    self._check_fault(response)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 132, in _check_fault
    self._raise_error(response, body)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 118, in _raise_error
    raise error
Error: Fault reason is "Input validation failed.". Fault detail is "Parameter 'cluster.cpu.type' is mandatory but was not provided.". HTTP response code is 400.

Pushed a fix: https://gerrit.ovirt.org/#/c/87169/