|  | @@ -1150,7 +1150,8 @@ class ConfigTest(unittest.TestCase):
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				|  |  |                          'volumes': [
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				|  |  |                              {'source': '/a', 'target': '/b', 'type': 'bind'},
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				|  |  |                              {'source': 'vol', 'target': '/x', 'type': 'volume', 'read_only': True}
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				|  |  | -                        ]
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				|  |  | +                        ],
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				|  |  | +                        'stop_grace_period': '30s',
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				|  |  |                      }
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				|  |  |                  },
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				|  |  |                  'volumes': {'vol': {}}
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				|  | @@ -1177,6 +1178,7 @@ class ConfigTest(unittest.TestCase):
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				|  |  |                  '/c:/b:rw',
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				|  |  |                  {'source': 'vol', 'target': '/x', 'type': 'volume', 'read_only': True}
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				|  |  |              ]
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				|  |  | +        assert service_dicts[0]['stop_grace_period'] == '30s'
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				|  |  |  
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				|  |  |      @mock.patch.dict(os.environ)
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				|  |  |      def test_volume_mode_override(self):
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