'Fail to dump flash of unknown chipset.'

def testUnknownChipset(self):

    client_mock = UnknownChipsetDumpMock()
    flow_urn = flow.GRRFlow.StartFlow(client_id=self.client_id, flow_name=hardware.DumpFlashImage.__name__, token=self.token)
    for _ in flow_test_lib.TestFlowHelper(flow_urn, client_mock, client_id=self.client_id, token=self.token):
        pass
    logs = flow.GRRFlow.LogCollectionForFID(flow_urn, token=self.token)
    self.assertIn('Unknown    chipset', [l.log_message for l in logs])
