slapos_cloud: Avoid call tic prevent missallocation

  Invoke activities are not expected on this test, as there are
  others partitions that can allocate before we call the API we
  would like to test.
Status Job ID Name Coverage
  External
failed SlapOS.Eggs.UnitTest-Master.Python2

00:29:07

failed SlapOS.Eggs.UnitTest-Master.Python3

00:22:09

passed SlapOS.Eggs.UnitTest-Master.Python2

00:24:30

passed SlapOS.Eggs.UnitTest-Master.Python2

00:20:23

passed SlapOS.Eggs.UnitTest-Master.Python2

00:26:22

passed SlapOS.Eggs.UnitTest-Master.Python3

00:13:32

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:16