'Test that the GetMBR flow works.'

def testGetMBR(self):

    for _ in flow_test_lib.TestFlowHelper(transfer.GetMBR.__name__, ClientMock(self.mbr), token=self.token, client_id=self.client_id):
        pass
    fd = aff4.FACTORY.Open(self.client_id.Add('mbr'), token=self.token)
    self.assertEqual(fd.Read(4096), self.mbr)
