lease_spec['t_from'] = TestPlc.translate_timestamp(start, grain, lease_spec['t_from'])
lease_spec['t_until'] = TestPlc.translate_timestamp(start, grain, lease_spec['t_until'])
lease_addition = self.apiserver.AddLeases(self.auth_root(), nodes, lease_spec['slice'],
lease_spec['t_from'] = TestPlc.translate_timestamp(start, grain, lease_spec['t_from'])
lease_spec['t_until'] = TestPlc.translate_timestamp(start, grain, lease_spec['t_until'])
lease_addition = self.apiserver.AddLeases(self.auth_root(), nodes, lease_spec['slice'],