Make Slurm agent creation params more realistic

:)

arkindex/ponos/tests/test_models.py

@@ -156,14 +156,9 @@ class TestModels(FixtureAPITestCase):
     def test_agent_slurm_mode(self):
         Agent.objects.create(
             hostname="agent_smith",
-            cpu_cores=2,
-            cpu_frequency=4.2e9,
             public_key="",
             farm=self.farm,
-            ram_total=2e9,
             last_ping=timezone.now(),
-            ram_load=0.49,
-            cpu_load=0.99,
             mode=AgentMode.Slurm.value
         )